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Gas-Fired Boilers and Furnaces

Gas-Fired Boilers and Furnaces

Gas furnaces and boilers can be fueled by either natural gas or propane with simple modifications accounting for the different characteristics of the fuels. Many furnaces and boilers operate on either natural gas or propane. Propane is usually more expensive as a fuel, but is available throughout the United States. Natural gas supplies depend on having a natural gas distribution system in your area, and areas at the end of the pipeline (such as the Northeast) tend to pay higher prices for natural gas.

A number of retrofits are possible for gas-fired furnaces and boilers, but before pursuing any retrofits you should consider the potential added benefits you could receive by simply replacing the furnace. The following retrofits are possible:

Vent dampers

The most common retrofit is the addition of a vent (or flue) damper. A vent damper prevents chimney losses by closing off a boiler's vent when the boiler isn't firing. Steam boilers benefit from vent dampers more than hot-water boilers, and bigger boilers benefit more than smaller ones. Vent dampers, however, may not be cost effective with properly sized, newer furnace models.

Intermittent ignition devices

Older furnaces and boilers with a continuous pilot light can be retrofitted with intermittent ignition devices. These devices are difficult to install and should only be installed by professionals. They cost about $250 and typically have a payback period of less than 10 years.

Although these intermittent ignition devices can save you some in fuel costs, they are not always cost effective when installed on aging equipment. If it's possible to turn off your furnace's pilot in the spring and to turn it on again in the fall, you can usually save the same amount of money as you would using one of these devices.

Derating gas burners

Many boilers and furnaces in today's homes are oversized, particularly if you've upgraded the energy efficiency of your home. It is sometimes possible to reduce the heating capacity of your gas boiler or furnace to make it operate more efficiently by reducing the size of the gas burner orifice, and possibly also the baffles. This is a difficult process that should only be performed by a qualified technician, and in some cases, it could violate local building codes and void manufacturer's warranties. If allowed, though, the modifications should cost less than $100 and can save up to 15% of your fuel costs.

Steam boilers should only be derated if the steam system is also modified to remove excess radiators, which is a tricky procedure.

Modulating Aquastats (for hot water boilers only)

An aquastat controls the temperature of the hot water in a boiler, typically keeping it around 180°F. But when heating needs a lighter in the spring and fall, that's actually higher than needed, and wastes energy. A modulating aquastat, also called an outdoor reset, senses outdoor temperatures and adjusts the hot water temperature accordingly. The units can save up to 10% of fuel costs, and cost several hundred dollars.

A cheaper alternative is to manually adjust the aquastat yourself, turning it down to around 120°F during the milder heating season. Consult your owner's manual or a service technician to locate the aquastat.

Time-Delay Relay (for hot water boilers only)

A time delay relay is a way to squeeze the most heat out of your system without running the boiler. When the thermostat clicks on, the relay causes the boiler to circulate hot water through the system without turning on the boiler. After a set time, the boiler will fire up. A time delay relay costs about $100 and can cut your fuel costs by up to 10%.


U.S. Department of Energy - Energy Efficiency and Renewable Energy

 
Peak Heating & Cooling Inc. is a proud participant of the Energy Star Program
For your Furnace repair in Chanhassen MN, trust a NATE certified contractor.
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Peak Heating & Cooling Inc. uses evironmentally sound refrigerants.
See if installing a new energy star rated Furnace in Chanhassen MN would qualify you for a rebate!
 
 
Peak Heating & Cooling Inc.
24 Hour Emergency Service Available
7 Days a Week, 365 Days a Year
Fill Out Our Online Form
or Give Us a Call at our Office Today
(952) 401-1195
Peak Heating & Cooling Inc.
24 Hour Emergency Service Available
7 Days a Week, 365 Days a Year
Fill Out Our Online Form
or Give Us a Call: (952) 401-1195
 
Contact Information
 
Address:    7801 Park Drive Suite B Chanhassen MN 55317
Phone:  (952) 401-1195
Fax:  (952) 474-4243
Hours of Operation
Monday:   8:00am - 4:30pm
Tuesday:   8:00am - 4:30pm
Wednesday:   8:00am - 4:30pm
Thursday:   8:00am - 4:30pm
Friday:   8:00am - 4:30pm
Saturday:   Closed
Sunday:   Closed

24/7 Emergency Service Available
Connect With Us
For Furnace repair in Chanhassen MN, like us on Facebook!
For Furnace repair in Minnetonka MN, visit us on Google!
Leave us a review on Yelp about your Furnace replacement in Minnetonka MN.
Read what your neighbors say about the Furnace repair or installation we performed near Chanhassen MN on our Angie's List page.
For the best Furnace replacement in Eden Prairie MN, choose a BBB rated company.
For the best Furnace replacement in Eden Prairie MN, choose a BBB rated company.
Payment Options
For Furnace in Chanhassen MN, we accept most major credit cards.
We accept cash for Heating repair service provided in Eden Prairie MN.
We accept check for Furnace repair service provided in Minnetonka MN.
 
Send Us a Message
 
Peak Heating & Cooling Inc.
24 Hour Emergency Service Available
7 Days a Week, 365 Days a Year
Fill Out Our Online Form
or Give Us a Call at our Office Today
(952) 401-1195
Peak Heating & Cooling Inc.
24 Hour Emergency Service Available
7 Days a Week, 365 Days a Year
Fill Out Our Online Form
or Give Us a Call: (952) 401-1195
 
Contact Information
 
Address:    7801 Park Drive Suite B
 Chanhassen MN 55317
Phone:  (952) 401-1195
Fax:  (952) 474-4243
Hours of Operation
Monday:   8:00am - 4:30pm
Tuesday:   8:00am - 4:30pm
Wednesday:   8:00am - 4:30pm
Thursday:   8:00am - 4:30pm
Friday:   8:00am - 4:30pm
Saturday:   Closed
Sunday:   Closed

24/7 Emergency Service Available
Connect With Us
For Furnace repair in Chanhassen MN, like us on Facebook!
For Furnace repair in Minnetonka MN, visit us on Google!
Leave us a review on Yelp about your Furnace replacement in Minnetonka MN.
Read what your neighbors say about the Furnace repair or installation we performed near Chanhassen MN on our Angie's List page.
For the best Furnace replacement in Eden Prairie MN, choose a BBB rated company.
For the best Furnace replacement in Eden Prairie MN, choose a BBB rated company.
Payment Options
For Furnace in Chanhassen MN, we accept most major credit cards.
We accept cash for Heating repair service provided in Eden Prairie MN.
We accept check for Furnace repair service provided in Minnetonka MN.
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Carrier Products   |   Online Store   |   Owner Center
Employment   |   Reviews   |   Search Site