I have a 90% efficient forced air gas furnace and when it was installed 4 years ago the guy didn't hook up a fresh air intake pipe allowing the furnace to draw in air from the hallway(slab home). My question is there are two holes for intake and I need to know if I should use one for the intake and block off the other or does it require two pipes? There is already a 2 exhaust leading outside thru wall.
Furnaces and thermostats are not mix-and-match appliances. Using the wrong type of thermostat with a furnace will cause operating problems and can be dangerous. Although thermostats look similar, they are designed very differently. There are numerous types of heating systems and thermostat systems and they need to be coordinated for safe and proper operation. There are three types of thermostat systems used today: millivoltage, low voltage, and line voltage.​
At B & B Heating & Cooling, heating and cooling isn’t solely our job, it’s our passion. We’re dedicated to providing you with high quality HVAC service in Florissant. No matter the size of the problem or time of day, you can rely on us to get the job done properly. After all, B & B Heating & Cooling has been working in the community since 1985, bringing comfort to our customers right when they need it.
Moncrief provides a wide range of services from high-quality energy-efficient systems, tune-ups and inspections, as well as repairs in the Roswell and Marietta areas. As a full-service heating and cooling company, we stay up-to-date on the most economical and energy-efficient systems available for your home or business. In addition, our technicians are well-trained in a wide range of systems to provide quality and cost-efficient furnace service, repairs and installation.
The cost to replace your entire unit is around $4,000. That expense can range from $2,500 to $5,900, depending on the type and brand of furnace you choose. Brands particularly have an impact on that price. A Goodman electric furnace, will only cost about $2,100 for the unit and labor. On the other hand, a Trane oil furnace may cost up to $9,000 all things considered. Our Furnace Installation Cost Guide can give you a better idea on both the general cost and the differences for brands like Amana, Bryant, Coleman, and others. The brand also plays into the repair cost for your furnace. Especially the prices of individual parts can change; a York heat exchanger, for example, can cost up to $1,900, while the same component from Heil will cost as little as $400.

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