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A monitor lizard basking on a rock under a warm orange lamp
Buying guideHeat & UVB

Best Reptile Heat Lamps of 2026: Halogen, Deep Heat and Ceramic

By Reptile Gear ReviewPublished 11 min readHow we research

Affiliate disclosure: product links on this page go to Amazon, or to the maker's own store for brands that sell only direct. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you; a link to a maker's store earns us nothing. No retailer or brand sees our picks before they are published or has any say in them. How we choose.

Our top pick is the Arcadia Optimal Heating Pack: a 75-watt PAR30 halogen flood for daytime basking and a 50-watt Deep Heat Projector for light-free heat, in a 110 to 120V version with E26 bases. Arcadia publishes basking temperatures at distance for the projector and recommends both lamps on dimming thermostats. For one lamp on a budget, a pair of 100-watt incandescent basking bulbs costs a few dollars each, and for night heat on its own, a ceramic heat emitter or the Arcadia Deep Heat Projector does the job without light.

Every one of these lamps must run through a thermostat, with a dimming thermostat for halogen, incandescent and deep heat lamps, and must sit in a ceramic-socket fixture rated above its wattage. We chose on the makers' published specs, wattage options, fixture and thermostat requirements and US voltage availability.

Our top picks at a glance

  1. 1. Best overall

    Arcadia Optimal Heating Pack (75W halogen flood + 50W Deep Heat Projector)

    Type: Halogen flood + deep heat projector · Watts: 75W PAR30 + 50W · Light: Halogen: bright; projector: virtually none · Best use: Day basking plus night heat

  2. 2. Best light-free heat

    Arcadia Deep Heat Projector, 50W

    Type: Deep heat projector · Watts: 50W (80W also made) · Light: Virtually none · Best use: Night heat, or day heat beside a light source

  3. 3. Best for small enclosures

    Arcadia Halogen Heat Lamp, 35W

    Type: Halogen · Watts: 35W · Light: Bright, warm · Best use: Basking in small enclosures

  4. 4. Best budget basking bulb

    LUCKY HERP 100W basking bulbs (2-pack)

    Type: Incandescent basking bulb · Watts: 100W (2-pack) · Light: Bright · Best use: Budget daytime basking

  5. 5. Best budget ceramic heat emitter

    LUCKY HERP 100W ceramic heat emitter (2-pack)

    Type: Ceramic heat emitter · Watts: 100W (2-pack) · Light: None · Best use: Night heat, ambient heat

  6. 6. Best for large enclosures

    Zoo Med ReptiCare Infrared Heat Projector

    Type: Infrared heat projector · Watts: 35, 60, 100 or 150W · Light: Not stated by Zoo Med · Best use: Large enclosures, 24-hour heat

1

Best overall

Arcadia Optimal Heating Pack (75W halogen flood + 50W Deep Heat Projector)

A matched day and night pair: a 75W halogen flood for bright basking heat and a 50W deep heat projector for heat without light.

Type
Halogen flood + deep heat projector
Watts
75W PAR30 + 50W
Light
Halogen: bright; projector: virtually none
Best use
Day basking plus night heat
Base / voltage
E26, 110 to 120V (code RARHP1Z)

Pros

  • Arcadia publishes basking temperatures by distance for the 50W projector
  • Both lamps rated for dimming thermostats, per Arcadia
  • Run them together for a stronger basking zone, or the projector alone at night

Cons

  • Needs two fixtures and, for separate day and night control, two dimming thermostats
  • Few owner reviews on Amazon so far
  • Halogen lamps run hot: guard them inside wooden or PVC enclosures

Arcadia's pack combines its 75-watt PAR30 wide-beam halogen flood, which it calls its most popular halogen heating lamp, with its original 50-watt Deep Heat Projector. Arcadia suggests two ways to use them: the halogen for daytime basking and the projector at night, or both together over the basking zone during the day, with the projector adding infrared B to the halogen's infrared A. Arcadia says the lamps suit good digital dimming thermostats and should go in wattage-appropriate ceramic deep dome lamp holders. If both run at night and day on different set points, that means two dimming thermostats.

The projector's published temperatures give a starting point: 45°C (113°F) at 8 inches, 36°C (97°F) at 12 inches and 29°C (84°F) at 16 inches. The halogen's output depends on your enclosure, so set the final temperature with the thermostat and an infrared thermometer, as Arcadia recommends.

Who should skip it: owners of small enclosures, where a 75-watt flood may be more than needed (see the 35-watt halogen below), and anyone who only needs night heat.

2

Best light-free heat

Arcadia Deep Heat Projector, 50W

Infrared heat with virtually no visible light, for day or night, with Arcadia's published temperature-at-distance chart.

Type
Deep heat projector
Watts
50W (80W also made)
Light
Virtually none
Best use
Night heat, or day heat beside a light source
Temp at 12 in
36°C / 97°F (Arcadia)

Pros

  • Arcadia publishes temperatures at 6, 8, 12 and 16 inches
  • Will not disturb the day/night cycle, per Arcadia
  • Arcadia says the 50W can outperform a 100W ceramic heater

Cons

  • Arcadia's page lists the E27 code; the Amazon listing does not state voltage, so check the box says 110 to 120V
  • Costs about twice a ceramic heat emitter
  • Needs a dimming thermostat, per Arcadia

Arcadia's Deep Heat Projector is built to emit infrared A and B with almost no visible light, so it can run day and night without upsetting the animal's light cycle. Arcadia lists these basking-zone temperatures: at 6 inches, 55°C (131°F) for the 50W and 62°C (144°F) for the 80W; at 8 inches, 45°C and 51°C; at 12 inches, 36°C and 44°C; at 16 inches, 29°C and 36°C. Arcadia's own guidance is to run it on a thermostat, ideally a dimming one, and to check the surface temperature with a non-contact infrared thermometer.

The claim that the 50-watt projector "can outperform a 100W Ceramic Heater" is Arcadia's, not an independent measurement, but its lower wattage is a plain saving on running costs if it does the job; our electricity cost calculator shows the difference.

Who should skip it: anyone who needs a bright basking light as well (pair it with a halogen, or buy the Optimal Heating Pack), and buyers who cannot confirm a 120V version.

3

Best for small enclosures

Arcadia Halogen Heat Lamp, 35W

A low-wattage dimmable halogen for small species and smaller enclosures, where a 75 to 100 watt bulb would overshoot.

Type
Halogen
Watts
35W
Light
Bright, warm
Best use
Basking in small enclosures
Base
E26 (per the Amazon listing)

Pros

  • Arcadia says its 35W halogen can, for most, replace up to a 75W standard tungsten lamp
  • Dimmable on a suitable dimming thermostat, per Arcadia
  • Arcadia says its halogen lamps can outlast tungsten lamps when run on a thermostat

Cons

  • Arcadia publishes no temperature-at-distance figures for its halogens
  • Too little heat for a large enclosure or a cool room
  • The Amazon title calls it focused beam, while Arcadia's page describes its halogen range as floods; check the beam suits your basking area

Arcadia sells halogen heaters at 20, 35, 50, 75 and 100 watts and recommends that they be used with good dimming thermostats with probes. It describes the 35-watt as better reflected and insulated than standard glass lamps, able for most to replace up to a 75-watt tungsten lamp. Arcadia also argues for using a lower wattage with a wide enough spread to cover the whole animal, rather than a large lamp dimmed hard, which fits a small enclosure.

The listing gives an E26 base and 35 watts. Because Arcadia's halogen range is described as wide-beam floods while the listing says focused beam, check the beam on arrival: the UV-Tool authors point out that heat, like UV, should cover the animal's whole body at the basking spot.

Who should skip it: owners of large desert enclosures, who need the 75-watt flood or a pair of lamps.

4

Best budget basking bulb

LUCKY HERP 100W basking bulbs (2-pack)

Two 100-watt incandescent basking bulbs for about the price of one specialist lamp, for a basic basking spot on a dimming thermostat.

Type
Incandescent basking bulb
Watts
100W (2-pack)
Light
Bright
Best use
Budget daytime basking
Rated life
Up to 2,000 hours (per the Amazon listing)

Pros

  • Low cost per bulb, with a spare in the box
  • Fits a standard E26 ceramic socket, per the listing
  • Listed as dimmable

Cons

  • 2,000-hour rated life means replacing roughly every five to six months at 12 hours a day
  • No published temperature or beam data
  • 100 watts is a lot for a small enclosure

The listing describes a 100-watt incandescent basking bulb for E26 ceramic sockets at 120V, rated for up to 2,000 hours and sold as dimmable. At 12 hours a day, 2,000 hours is about 167 days, so budget for a replacement twice a year; the second bulb in the pack covers the first change.

Incandescent and halogen basking lamps both belong on a dimming thermostat. Use a fixture with a ceramic socket rated above 100 watts, as Zoo Med requires for its own basking lamps ("no plastic fixtures").

Who should skip it: small-enclosure owners (100 watts will be hard to keep in range) and anyone who wants maker-published data, who should choose an Arcadia halogen.

5

Best budget ceramic heat emitter

LUCKY HERP 100W ceramic heat emitter (2-pack)

A light-free 100-watt ceramic emitter two-pack for night heat or extra ambient warmth, at a fraction of a deep heat projector's price.

Type
Ceramic heat emitter
Watts
100W (2-pack)
Light
None
Best use
Night heat, ambient heat
Rated life
Up to 10,000 hours (per the Amazon listing)

Pros

  • Emits no light, so it can run through the night
  • Two emitters in the pack
  • Works with on/off, pulse or dimming thermostats

Cons

  • Gets extremely hot; must be out of reach and in a porcelain-socket fixture rated for it
  • Some dome fixtures exclude ceramic emitters (Zoo Med's Deep Dome does)
  • The listing advises keeping it more than 30 cm (12 in) from the animal

The listing describes a 100-watt, no-light ceramic emitter for standard E26 bases at 120V, rated for up to 10,000 hours, and warns to use good ceramic lamp holders and keep it more than 30 cm from reptiles. For comparison, Zoo Med's own ceramic emitters are rated by Zoo Med at up to 25,000 hours with a 2-year warranty, and Zoo Med suggests 60 watts for a 10 to 20 gallon terrarium, 100 watts for 30 to 40 gallons and 150 watts for 50 to 100 gallons.

Ceramic emitters can be run on any of the thermostat types here; Zoo Med sells its on/off ReptiTemp 500R for its own emitters. Check the fixture: Zoo Med marks its Deep Dome fixture "NOT for use with Ceramic Heat Emitters" and lists its emitters for use in its Wire Cage Clamp Lamp with a porcelain socket.

Who should skip it: anyone heating a basking spot for a diurnal lizard during the day, where a bright halogen or incandescent lamp is the better choice.

6

Best for large enclosures

Zoo Med ReptiCare Infrared Heat Projector

A carbon-fiber infrared projector in four sizes up to 150 watts, for big enclosures that need light-free heat.

Type
Infrared heat projector
Watts
35, 60, 100 or 150W
Light
Not stated by Zoo Med
Best use
Large enclosures, 24-hour heat
Warranty
1 year

Pros

  • Wattages up to 150W, more than Arcadia's projectors
  • Emits infrared A and B, per Zoo Med
  • Dimmer and thermostat compatible, per Zoo Med

Cons

  • Shown with a plain link to Zoo Med: the Amazon offer we found was from a third-party seller we could not verify
  • Zoo Med publishes no temperature-at-distance figures
  • 150 watts needs a fixture and thermostat rated for it

Zoo Med's ReptiCare Infrared Heat Projector comes in 35, 60, 100 and 150-watt sizes and uses a carbon fiber filament that Zoo Med says lasts longer while emitting heat around the clock. Zoo Med describes it as giving a wide, even basking zone with infrared A and B, and as compatible with dimmers and thermostats. The 150-watt size is the main reason to choose it over Arcadia's 50 and 80-watt projectors, for large or tall enclosures in cool rooms.

Who should skip it: owners of small and medium enclosures, who are better served by the Arcadia projector and its published temperature chart.

How we chose

We looked for lamps whose makers state the wattage options, the base and voltage, and the fixture and thermostat they need, and we gave credit for published temperature-at-distance data, which only Arcadia provides for its projectors. Every pick here can be controlled by a thermostat; we excluded nothing for brand, but we marked the claims that come only from Amazon listings.

Types of heat lamp

Heat lamp types, light output and the thermostat they need
TypeLightTypical useThermostatSource
Halogen flood or spotBrightDaytime baskingDimmingArcadia
Incandescent basking bulbBrightDaytime baskingDimmingHerpstat manual; Arcadia guidance for lamps
Deep heat projectorVirtually noneDay or night heatDimmingArcadia
Infrared heat projector (carbon fiber)Not stated24-hour heatDimmer or thermostatZoo Med
Ceramic heat emitterNoneNight or ambient heatThermostat or rheostatZoo Med

Arcadia and the UV-Tool authors both advise putting heat, light and UV together over the basking spot, so basking species are usually given a bright lamp there during the day. Night heat, if the room gets too cold, comes from a light-free source.

What to look for

Wattage for your enclosure

More watts is not better. Arcadia now recommends a lower wattage with a beam wide enough to cover the whole animal over a big lamp dimmed hard, and the thermostat will hold a lamp back but cannot make it hotter than it is. Zoo Med's ceramic emitter guide gives one sizing rule of thumb: 60 watts for 10 to 20 gallons, 100 watts for 30 to 40, 150 watts for 50 to 100. Start in the middle of a range and check the basking surface with an infrared thermometer.

Distance and published data

Arcadia Deep Heat Projector basking-zone temperatures by distance (Arcadia)
Distance to basking zone50W80W
6 in (150 mm)55°C (131°F)62°C (144°F)
8 in (200 mm)45°C (113°F)51°C (124°F)
12 in (300 mm)36°C (97°F)44°C (111°F)
16 in (400 mm)29°C (84°F)36°C (97°F)

Figures like these show how fast heat falls with distance, and why a mesh lid, a deeper substrate or a taller basking rock changes the reading. Your target temperatures depend on the species; the setups for bearded dragons and leopard geckos give them with sources.

The fixture

Use a fixture with a ceramic socket rated above the bulb. Zoo Med requires a ceramic socket for its basking lamps ("no plastic fixtures"), rates its Deep Dome fixture to 160 watts, and marks that dome as not for ceramic heat emitters. Arcadia recommends wattage-appropriate ceramic deep dome holders for its halogens and projectors. Inside a wooden or PVC enclosure, add a guard: Arcadia's heat lamp cage is rated for lamps up to 150 watts.

The thermostat

Arcadia says of its projector, "As with all lamps, should be used with a thermostat," and recommends dimming thermostats with probes for its halogens. Our best reptile thermostats guide matches thermostat types to each of these lamps, and the heating safety guide covers guards, cords and smoke alarms.

Comparison

LampWattsLightRated lifePublished temps
Arcadia Optimal Heating Pack75 + 50Halogen bright; projector noneNot statedProjector only
Arcadia Deep Heat Projector50 (or 80)Virtually noneNot statedYes
Arcadia Halogen35BrightNot statedNo
LUCKY HERP basking bulb100Bright2,000 h (listing)No
LUCKY HERP ceramic emitter100None10,000 h (listing)No
Zoo Med ReptiCare IHP35 to 150Not statedNot statedNo

What to skip

  • Any heat lamp without a thermostat. A lamp on its own runs at full power whatever the temperature.
  • Plastic or under-rated fixtures. Use ceramic sockets rated above the bulb's wattage; the USFA also advises bulbs that match a fixture's recommended wattage.
  • A dimmer or thermostat on a UVB lamp. Heat lamps go on the thermostat; fluorescent UVB lamps go on a timer. Zoo Med says its ReptiSun lamps cannot run through its thermostats.
  • Heat rocks as the main heat source. Zoo Med's ReptiTemp digital thermostat and the Herpstat are both not meant for rock heaters.
Arcadia Optimal Heating Pack (75W halogen flood + 50W Deep Heat Projector)Check price on Amazon

If you also need UV over the same basking spot, see the best UVB lights for reptiles.

Frequently asked questions

What is the best heat lamp for a bearded dragon?

A bright basking lamp such as a halogen flood on a dimming thermostat, grouped with the UVB lamp over the basking spot. Arcadia's Optimal Heating Pack pairs a 75W halogen flood for daytime basking with a 50W deep heat projector, and Arcadia recommends dimming thermostats for both.

Do reptiles need a heat lamp at night?

Only if the room falls below the species' night range. Zoo Med describes a nighttime temperature drop as beneficial and tells keepers to research their species. If you need night heat, use a light-free source such as a ceramic heat emitter or a deep heat projector, which Arcadia says will not disturb the day/night cycle, and keep it on a thermostat.

Is a deep heat projector better than a ceramic heat emitter?

Arcadia says its 50W deep heat projector can outperform a 100W ceramic heater and emits infrared A and B, but that is the maker's claim, not an independent test. Ceramic emitters cost less and Zoo Med rates its own at up to 25,000 hours. Both give heat without light and both belong on a thermostat.

What wattage heat lamp do I need?

It depends on the enclosure size, room temperature and distance to the basking spot. Zoo Med sizes its ceramic emitters at 60 watts for 10 to 20 gallons, 100 for 30 to 40 and 150 for 50 to 100, and Arcadia now advises a lower wattage with a wide beam over a large lamp dimmed hard. Measure the basking surface and let the thermostat trim the rest.

Can I use a regular household bulb as a reptile heat lamp?

A standard incandescent or halogen flood produces heat and light much like a reptile basking bulb, but check the wattage, beam and base, and use it in a ceramic-socket fixture rated above its wattage on a dimming thermostat. Do not use bulbs the fixture is not rated for; the USFA advises matching bulbs to the fixture's recommended wattage.

How far should a heat lamp be from a reptile?

Far enough that the basking surface sits at the species' target temperature and the animal cannot touch the bulb. Arcadia's 50W deep heat projector gives about 45 degrees C at 8 inches and 36 degrees C at 12 inches; other lamps differ, so set the distance with an infrared thermometer and a thermostat probe at the basking spot.

Sources

  1. Optimal Heating Pack, Arcadia Reptile
  2. Deep Heat Projector, Arcadia Reptile
  3. Halogen Infrared Heater, Arcadia Reptile
  4. Heat Lamp Cage, Arcadia Reptile
  5. ReptiCare Infrared Heat Projector, Zoo Med Laboratories
  6. ReptiCare Ceramic Infrared Heat Emitter and instructions, Zoo Med Laboratories
  7. Repti Basking Spot Lamp, Zoo Med Laboratories
  8. Deep Dome Lamp Fixture LF-17 instructions, Zoo Med Laboratories
  9. Appliance and Electrical Fire Safety, U.S. Fire Administration

Cover photo: Somersby Reptile Park Lizard Basking on rock P1690518 by TheBustopher, Public Domain Mark, via Flickr. Cropped.

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Heat & UVBHeat LampsHeatingDeep Heat ProjectorCeramic Heat EmitterBearded Dragon