Quietest Garage Heater 2021 (Best Whisper Quiet Gas, Propane, Electric & Forced Air Garage Heaters)

Quietest Garage Heater

There’s nothing better than a warm, cozy room on chilly winter evenings, but also nothing worse than a clunky, noisy heater to ruin the peaceful ambiance. If you’re looking for a heating solution for your garage or indoor space, we’ve compiled a list of the best and quietest gas, propane, electric & forced air heaters in 2021. These whisper quiet garage heaters provide top of the line heating solutions for any budget or room size.

If you’re in a hurry, the two best rated garage heathers on the market are the Dr. Heater DR966 Electric Garage Heater and GASLAND MHA18B Propane Heater, both of which provide the best combination of features, functionality, and price. 

Best Quiet Garage Heater: Quick Comparison

BEST ELECTRIC Dr. Heater DR966 Quiet Garage Heater
  • Type: Electric, hardwired
  • Dimensions: 14.5” x 13” x 14.5”
  • Quiet operation
  • 3000/6000W, 240V
  • Built-in adjustable thermostat, 8” fan
  • Thermally protected
  • Heavy-duty ball bearing motor
  • 5-way adjustable louvers
  • UL/CUL Listed
  • Carrying handle
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BEST PROPANE GASLAND MHA18B Propane Heater
  • Type: Propane
  • Dimensions: 21.7” x 17.5” x 15”
  • Ultra quiet
  • 18,000 BTU
  • Portable, space-saving design
  • Tip-over and low Oxygen shut-off safety features
  • 3 heating modes
  • LP regulator hose included
  • Heats up to 450 sq. ft
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QUIET GAS HEATER Mr. Heater F260550 Natural Gas Heater
  • Type: Natural Gas
  • Dimensions: 25” x 18.5” x 17”
  • Quiet operation
  • Heats a 2-3 car garage
  • 50,000 BTUs
  • Gas-propane conversion kit included
  • Mounting bracket included
  • Vertical/horizontal venting
  • 3-year parts warranty
  • 10-year warranty on heat exchanger
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QUIET HYDRONIC HEATER Fahrenheat PLF1504 Hydronic Heater
  • Type: Hydronic, convection
  • Dimensions: 70” x 3.5” x 9”
  • Quiet operation
  • 1500W, 240V
  • Safe around children and pets
  • Thermal cutoff function
  • UL Listed
  • 1-year warranty
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PROPANE FORCED AIR Dyna-Glo Portable Propane Forced Air Heater
  • Type: Electric, runs on propane, forced air
  • Dimensions: 17.32” x 7.38” x 13.78”
  • Quiet operation
  • Continuously variable BTUs
  • Overheat shut-off protection
  • Heats 1350 sq. ft
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Quietest Garage Heater 2021: Reviews

1. Dr. Heater DR966 (Electric)

Best Quiet Electric Garage Heater 

If you’re looking for the quietest electric garage heater, you’re in the right place.

This heavy duty hardwired electric heater can be used as a primary or auxiliary source of heat and can easily heat a garage space between 400-1000 sq. ft. 

This easy-to-install, user-friendly heater provides maximum airflow with minimum noise and disruption.

Its spiral steel-sheathed electric heating element maintains a low temperature during operation and the heavy duty ball-bearing motor is lubricated to guarantee a long life. 

An adjustable thermostat allows you to control the temperature between low and high settings and the tip-over automatic shut-off safety switch makes it safe and reliable.

This ultra quiet electric garage heater comes with wall and ceiling brackets so you can mount it however you choose. 

Need more reasons to love it? A carrying handle and its compact design make this bad boy convenient and portable. Additionally, this heater is UL & CTL certified, so you can be assured of the highest quality standards.

Pros

  • very quiet operation
  • UL & CTL certified 
  • Suitable for large garages (up to 1000 sq. ft.)
  • Tip-over protection and auto shut-off
  • Adjustable thermostat
  • Heavy duty motor
  • Portable 

Cons

  • Power cord must be purchased separately

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2. GASLAND MHA18B Propane Heater

Best Quiet Propane Garage Heater

This is one of the best quiet propane garage heaters on the market.

Being ultra-quiet and portable means that you can use it for multiple purposes – working in your shed, shop or garage. 

The mobile and space-saving design of this heater is another reason to love it.

With built-in castors and lockable wheels for easy movement as well as an easy-carry handle, this heater is truly multifunctional.

It has 3 heating modes (low: 6000 BTU, medium: 12000 BTU and high: 18000 BTU) and can be used to heat rooms ranging between 150-450 sq. ft. 

This whisper quiet garage heater functions with a 20lb liquid propane cylinder and doesn’t need any electric power, so it not only saves on your electricity bill, but is also ideal for use during emergencies or power cuts.

The built-in propane regulator and hose control the flow and distribution of propane and act as a safety barrier between the gas tank and heater.

Equipped with tip-over protection that shuts the heater off if it is accidentally knocked over, as well as low oxygen shut-off capability, this is a reliable and safe heater for any ventilated space such as a garage, patio, or outhouse. 

Pros

  • Ultra quiet
  • 3 heating modes
  • Portable
  • Saves electricity
  • Tip-over and low-oxygen protection
  • Durable design

Cons

  • Not suitable at altitudes greater than 4500 ft.

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3. Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Heater

Best Quiet Gas Garage Heater

This quiet gas garage heater is easily suitable for heating a 2 to 3-car garage.

The Mr. Heater Big Maxx 50,000 BTU natural gas heater will turn your garage or barn into a work space you can use all year round. 

Utilizing a built-in high-velocity electric fan to pull cool air in and across the heat exchanger, it then forces warm, comfortable air out.

Its low profile design requires only a 10 ft minimum ceiling height, 1” mounting clearance, and can be vented vertically or horizontally. 

This quiet forced-air gas heater features a high temperature and gas safety shut-off flame sensor, and an electric spark ignition with self-diagnostic control module to bring you peace of mind and years of comfortable, safe heat. 

Pros

  • Suitable for large spaces (3-car garage)
  • Quiet fan function
  • Doesn’t require a high-current electric supply
  • Low-profile design
  • High-temperature and gas safety shut-off
  • Ceiling brackets and gas-to-propane conversion kit included

Cons

  • Not quite portable

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4. Fahrenheat PLF1504 Liquid Filled Hydronic Baseboard Heater

Best Quiet Hydronic Garage Heater

For quiet, gentle heat with maximum efficiency, look no further than the Fahrenheat PLF1504 hydronic baseboard heater.

This hard-wired quiet hydronic garage heater provides gentle, steady heat for superior comfort.

Since it uses liquid-element technology, the heater is cool to the touch, making it an excellent choice around children and pets.

The low-profile design makes the PLF1504 a perfect fit for any space. This heater is UL Listed for safe operation on flooring, tile or carpet, and its thermal cut-off function prevents overheating.

This convection heater starts and stops without the disruptive sounds given off by traditional baseboard models, making it quiet and comfortable.

It also reduces unnecessary on/off cycles with up to 100% energy-efficient design.

Ideal for providing clean heat, this quiet hydronic heater has no blower or exhaust fan, thus it keeps dust and other particles from circulating. 

Pros

  • Quiet
  • Easy to install
  • Cool to touch (safe around children & pets)
  • Protects against dust & allergens
  • Overheat protection feature

Cons

  • Not ideal for large spaces

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5. Dyna-Glo 60,000-BTU Quiet Portable Propane Forced Air Heater

Best Quiet Forced Air Garage Heater

This is an ideal choice if you’re looking to heat a space larger than 1000 sq. ft. This quiet gas garage heater is a forced-air model and packs a great punch, featuring a one-hand piezo electric ignition, a continuous electric ignition that prevents a delayed ignition, adjustable heat angle options and an easy-lift handle. 

Rated at 36,000-60,000-BTUs with a 300-CFM blower, the LPFA60Q runs anywhere between 7 to 70 hours, depending on the BTU selected and the propane tank size. 

It requires electricity to power the motor and fan, and is fueled by a 20, 40, or 100lb LP tank (not included). It’s powerful enough to be used in uninsulated or large ventilated spaces such as bigger garages, construction sites or outdoor events. 

Pros

  • Suitable for larger spaces (>1000 sqft)
  • Continuously variable BTUs
  • Adjustable heat angle
  • Continuous electronic ignition (prevents dangerous delayed ignition)
  • Auto shut-off protection against overheating
  • Includes 10-ft hose and regulator

Cons

  • No runtime fuel gauge
  • No oxygen depletion sensor

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Best Quiet Gas Propane Electric Forced Air

Ultra Quiet Garage Heater 2021 Buying Guide

Low Noise

A garage heater is not an everyday purchase, so ensure that you choose one that doesn’t ruin the ambiance with loud humming sounds, beeps and fan noises.

Whether you choose an electric, gas, propane, forced air, hydronic or other model, there are plenty of quiet garage heaters to choose from.

Capacity

From commercial units that can heat thousands of square feet to portable units that serve smaller spaces better, your choices are virtually unlimited. 

Alternatively, buying a smaller capacity unit won’t help you if you are looking to heat a fairly large space. To calculate the heating capacity you need, consider the room’s ceiling height, square footage and existing insulation.

Type

Electric, gas, LP, forced-air, hydronic – the choices seem endless, but making a decision is not that hard if you carefully consider your needs. A hydronic heater may be best around children and pets, while a high-powered propane heater may work better for a large garage where more than one person works regularly. 

In the end, it boils down to your specific needs, so consider the pros and cons we’ve outlined when choosing the right type of heater for your garage. Read also: Best Ultra Quiet Pellet Stoves and Best Quiet Electric Wall Mount Heaters 2021 

Final Thoughts About Best Quietest Garage Heaters 2021

Our list of the best and quietest garage heaters contains several virtually silent options to choose from. Whether you prefer gas, propane, electric, forced air or hydronic garage heaters, each has its own unique features to offer.

Once again, the top rated ultra quiet garage heaters in 2021 are the highly rated Dr. Heater DR966 Electric Garage Heater  and GASLAND MHA18B Propane Heater. Happy heater hunting!