ventlesspropaneheaters.com also known as VentlessHeater.com
Mr. vent free heater Buddy Portable Propane vent free heater — 9000 BTU, Model# MH9BX
9000BTU Ventless Propane Heater

Mr. vent free heater Buddy Portable Propane vent free heater — 9000 BTU, Model# MH9BX
Mr. vent free heater Single vent free heater — 8,000-14,000 BTU, Model# MH12T
Mr. vent free heater Single vent free heater — 8,000-14,000 BTU, Model# MH12T
Mr. vent free heater Double Propane vent free heater — 8,000-28,000 BTU, Model# MH24T
Mr. vent free heater Double Propane vent free heater — 8,000-28,000 BTU, Model# MH24T
Mr. vent free heater Triple Propane vent free heater — 8,000-42,000 BTU, Model MH42T
Mr. vent free heater Triple Propane vent free heater — 8,000-42,000 BTU, Model MH42T
Mr. vent free heater Propane Garage vent free heater — 45,000 BTU, Model# MHU45LP
Mr. vent free heater Propane Garage vent free heater — 45,000 BTU, Model# MHU45LP
Mr. ventless heaterBig Buddy™ Indoor/Outdoor Propane ventless heater— Model# MH18B
18,000 BTU Mr. ventless heaterBig Buddy™ Indoor/Outdoor Propane ventless heater— Model# MH18B
Mr. ventless heaterPortable Propane Forced Air ventless heater— 50,000 - 85,000 BTU, Model# MH85FAV
Mr. ventless heaterPortable Propane Forced Air ventless heater— 50,000 - 85,000 BTU, Model# MH85FAV
Mr. ventless heaterPortable Propane Forced Air ventless heater— 75,000 - 125,000 BTU, Model# MH125FAV
Mr. ventless heaterPortable Propane Forced Air ventless heater— 75,000 - 125,000 BTU, Model# MH125FAV
Mr. ventless heaterPortable Propane Forced Air ventless heater— 170,000 BTU, Model# MH170FAVT
Mr. ventless heaterPortable Propane Forced Air ventless heater— 170,000 BTU, Model# MH170FAVT
Mr. ventless heaterHeatStar Radiant Tube ventless heater— 45,000 BTU, Propane, Model# F208851
Mr. ventless heaterHeatStar Radiant Tube ventless heater— 45,000 BTU, Propane, Model# F208851
Mr. Heater Radiant Construction Heater — 35,000 BTU, Model# MH35LP
Mr. Heater Radiant Construction Heater — 35,000 BTU, Model# MH35LP
Mr. Heater Stainless Steel Outdoor Patio Heater — 40,000 BTU, Model# MH40PH
Mr. Heater Stainless Steel Outdoor Patio Heater — 40,000 BTU, Model# MH40PH
ECOBLAZE Indirect Space Heater — Natural Gas and Propane Fuel, 3500 CFM, Up to 399,000 BTU, Model# MLPGFH315-400
ECOBLAZE Indirect Space Heater — Natural Gas and Propane Fuel, 3500 CFM, Up to 399,000 BTU, Model# MLPGFH315-400
Mr. Heater Little Buddy — Model# MH4B
Mr. Heater Little Buddy — Model# MH4B
HeatStar Portable Diesel Indirect Fired Heater — 290,000 BTU, 2650 CFM, Model# HS300ID
HeatStar Portable Diesel Indirect Fired Heater — 290,000 BTU, 2650 CFM, Model# HS300ID
HouseWarmer Slim-Profile Direct-Vent Wall Heater — 8000 BTU, Propane, Model# HWDV080DVP
HouseWarmer Slim-Profile Direct-Vent Wall Heater — 8000 BTU, Propane, Model# HWDV080DVP
PROCOM Blue Flame Wall Heater — 10,000 BTU Output, 300 Sq. Ft. Heating Capacity, Model# MD100TBA
PROCOM Blue Flame Wall Heater — 10,000 BTU Output, 300 Sq. Ft. Heating Capacity, Model# MD100TBA
PROCOM Blue Flame Wall Heater — 20,000 BTU Output, 700 Sq. Ft. Heating Capacity, Model# MD200TBA
PROCOM Blue Flame Wall Heater — 20,000 BTU Output, 700 Sq. Ft. Heating Capacity, Model# MD200TBA
ProCom Radiant Vent-Free Liquid Propane Heater — 25,000 BTU, Model# ML250TPA
ProCom Radiant Vent-Free Liquid Propane Heater — 25,000 BTU, Model# ML250TPA
ProCom Radiant Vent-Free Liquid Propane Heater — 5,500 BTU, Model# ML060HPA
ProCom Radiant Vent-Free Liquid Propane Heater — 5,500 BTU, Model# ML060HPA

What size heater do I need? You might also want to look at a Vent Free Fireplace.


Ventless & Ventfree Heater Size Table
Outside Temp40F30F20F10F0F
1 car garage or small room5,000BTU10,000BTU15,000BTU20,000BTU30,000BTU
2 car garage or medium room15,000BTU20,000BTU35,000BTU40,000BTU60,000BTU
3 car garage or large room20,000BTU40,000BTU90,000BTU120,000BTU175,000BTU


Disclaimer: Heater sizes are approximate and depend on type of construction, venting, open spaces, insulation, wind and other factors. These numbers are estimates only.


2 car lift

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