Wall-mounted direct-vent gas space heaters are most efficient and safe to operate. Some designs generate their own electricity to operate the wall thermostat. With the direct venting, there is very little chance of dangerous flue gases getting into your room air.7 Feb 1992
How efficient are direct vent heaters?
A direct-vent gas heater is very easy to install. You place it against an outside wall. The outdoor combustion air intake and flue gas vent are run through a single opening in your wall. Since no indoor air is used for combustion, the overall efficiency of these heaters is high, up to 84 percent.7 Feb 1992
Are direct vent wall heaters safe?
Wall-mounted direct-vent gas space heaters are most efficient and safe to operate. Some designs generate their own electricity to operate the wall thermostat. Since no indoor air is used for combustion, the overall efficiency of these heaters is high, up to 84 percent.7 Feb 1992
What is a direct vent wall heater?
A direct-vent wall furnace is a self-contained sealed combustion heating appliance that warms inside air by recirculating it around a sealed chamber, and discharges combustion byproducts outside the home via direct-vent. They are permanently attached to the structure of a building, and are not connected to ductwork.
How efficient are Rinnai propane heaters?
The Rinnai Direct Vent Wall Furnace's reputation lies in its ability to extract up to 82% AFUE efficiency through the use of a unique stainless steel heat exchanger, modulating gas valve, and variable speed blower.
Are direct vent boilers safe?
High-efficiency boilers are installed with safety features that will turn them off if their vents are blocked. The new installations require CO detectors that are hard-wired with battery back-up. They are unlikely to cause CO poisoning. Chimneys, however, can get blocked by bird's nests, raccoons, and other animals.1 Nov 2021
Are vent free furnaces safe?
There are safety concerns, and building scientists point out that ventless heaters can damage homes if they're not sized or used correctly. Ventless heaters exhaust 100 percent of their combustion products into the house. This means chemicals like carbon monoxide, nitrogen dioxide and water vapor enter the house air.30 Oct 2007
Are direct vent propane heaters safe?
The fact is that Direct Vent Propane heaters are incredibly safe, cost-effective to run, and have been shown to meet today's stringent air quality requirements when properly sized and maintained. And as long as customers demand energy-efficient goods, vent-free appliances have a bright future.