The DEWALT DXH170FAVT is a 170,000 BTU forced air propane heater designed to warm large, well-ventilated spaces like construction sites, warehouses, barns, and workshops. With a built-in thermostat, you can set your desired temperature and let the heater do the rest. The variable heat output lets you adjust the flame to match conditions, and the continuous ignition system ensures easy startup every time.
Using the Thermostat on the DXH170FAVT
Turn the thermostat dial to the temperature you want. The heater will automatically cycle on and off to maintain that temperature. The thermo-electric safety valve cuts off gas flow if the flame goes out, and the high-temperature limit switch provides an extra layer of protection.
Features
170,000 BTU output quickly heats large open areas
Built-in thermostat maintains your set temperature
Quiet Burner Technology reduces noise on site
Split-barrel design eases cleaning and maintenance
ETL certified with thermo-electric valve and limit switch
Choosing the right BTU output ensures efficient warming without wasting fuel. Your DEWALT DXH170FAVT provides 170,000 BTU, enough for spaces up to 4,000–5,000 square feet with adequate ventilation. For smaller areas, a lower BTU heater might suffice, but the 170K unit is a reliable workhorse when you need fast, powerful heat on the job.
Thermostat Operation Tips
Place the thermostat sensor away from the direct airflow to avoid rapid cycling
Close doors and windows to reduce heat loss
Set the thermostat to the low heat position when you only need to warm the space slightly
Always allow at least 3 feet of clearance around the heater
The DXH170FAVT is built for professional use and provides dependable warmth even in harsh conditions. With its solid construction and safety features, you can trust it to perform on demanding worksites.
Frequently Asked Questions
How do I set the thermostat on the DXH170FAVT?
Turn the thermostat dial to your desired temperature. The heater will cycle on and off to maintain that heat level.
Does the heater require electricity?
Yes, the fan and ignition need a standard 120V AC outlet to operate.
Can I use it indoors?
Only in well-ventilated areas such as construction sites, barns, and workshops. Never in enclosed spaces without ventilation.
How do I light the heater?
The heater features continuous ignition, so simply set the thermostat and the piezo ignition will light the burner.
4.3★★★★★★★★★★(6)
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Customer Photos
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Customer Reviews
6
★★★★★★★★★★5.0
Jed
Verified
Fire
This heater is lit!
★★★★★★★★★★5.0
Paula
Verified
Great for shop
This heater warmed my 30x40 shop from 40 to 60 degrees in no time. It has a thermostat which is nice. The fan is a little loud, but that's expected.
★★★★★★★★★★5.0
Harold
Verified
Workhorse heater
I've used forced air heaters for years, and this one is the best yet. It starts right up in cold weather. The variable output means it doesn't waste propane when the shop is already warm. The thermostat is accurate. I used it to cure paint in my workshop, and it got to temp fast. Only downside is it's loud, but all forced air heaters are. It's built like a tank.
★★★★★★★★★★4.0
Maria
Verified
Warm but heavy
Heats up quickly, but it's a beast to move around. I put wheels on it. Good value though.
★★★★★★★★★★4.0
Chip
Verified
Good heater
I bought this to heat my garage during the winter. It works well, but the fuel line is a bit stiff. I had a small issue with the ignition not starting on the first try, but it's been reliable since. It consumes propane faster than my old unit, but it also puts out more heat. The thermostat is helpful. Overall, I'd recommend it.
★★★★★★★★★★3.0
Vern
Verified
Okay, but not for small spaces
It's powerful, but you need a big area. In my two-car garage, it gets too stuffy and trips the CO detector. Runs well though.