When it comes to updating your home or adding a new appliance to it, there are many projects that can easily be “Do It Yourself” jobs. Furnace installation is not one of these projects. There are a number of reasons that it’s important to hire a professional for this job, some of which we highlighted below.
Sound Heating and Air Conditioning Inc. Blog: Posts Tagged ‘Heating System Installation’
The Importance of Professional Furnace Installation
Monday, December 19th, 2016Choosing the Right Heating System for Your Home
Tuesday, September 6th, 2016In most homes throughout the country, the HVAC system accounts for the majority of the household energy bills. In your house, you want to ensure that you have the most efficient and effective model possible while also keeping within a budget.
You can achieve this when you have our team on your side to help you select the best residential HVAC system. With winter on the way, we’ll focus on the heating system in this post. Keep reading to learn about what factors you should consider when choosing the right heating system for your home.
Heating System Ventilation 101: Basic Guidelines from Bremerton
Monday, January 2nd, 2012Maintaining Proper Ventilation for Combustion Systems
Anytime you maintain, retrofit, or replace a gas heating system in your Bremerton home you also need to be concerned with air quality. Combustion air is needed by all oil and gas heating systems to support the combustion process. This air is provided in some homes by unintentional air leaks, or by air ducts that connect to the outdoors. The combustion process creates several byproducts that are potentially hazardous to human health and can cause deterioration in your home. You can protect yourself from these hazards, as well as maintain energy efficiency, by ensuring that your chimney system functions properly and that your gas heating system is properly ventilated. In some cases, installing a sealed-combustion furnace or boiler can also help.
Chimneys
Properly functioning chimney systems will carry combustion byproducts out of the home. Therefore, chimney problems put you at risk of having these byproducts, such as carbon monoxide, spill into your home.
Most older gas furnaces and boilers have naturally drafting chimneys. The combustion gases exit the home through the chimney using only their buoyancy combined with the chimney’s height. Naturally drafting chimneys often have problems exhausting the combustion gases because of chimney blockage, wind or pressures inside the home that overcome the buoyancy of the gases.
Atmospheric, open-combustion furnaces and boilers, as well as fan-assisted furnaces and boilers, should be vented into masonry chimneys, metal double-wall chimneys, or another type of manufactured chimney. Masonry chimneys should have a fireclay, masonry liner or a retrofitted metal flue liner.
Many older chimneys have deteriorated liners or no liners at all and must be relined during furnace or boiler replacement. A chimney should be relined when any of the following changes are made to the combustion heating system:
When you replace an older furnace or boiler with a newer one that has an AFUE of 80% or more. These mid-efficiency appliances have a greater risk of depositing acidic condensation droplets in chimneys, and the chimneys must be prepared to handle this corrosive threat. The new chimney liner should be sized to accommodate both the new heating appliance and the combustion water heater by the installer.
When you replace an older furnace or boiler with a new 90+ AFUE appliance or a heat pump. In this case, the heating appliance will no longer vent into the old chimney, and the combustion water heater will now vent through an oversized chimney. This oversized chimney can lead to condensation and inadequate draft. The new chimney liner should be sized for the water heater alone, or the water heater in some cases can be vented directly through the wall.
Other Ventilation Concerns
Some fan-assisted, non-condensing furnaces and boilers, installed between 1987 and 1993, may be vented horizontally through high-temperature plastic vent pipe (not PVC pipe, which is safely used in condensing furnaces). This type of venting has been recalled and should be replaced by stainless steel vent pipe. If horizontal venting was used, an additional draft-inducing fan may be needed near the vent outlet to create adequate draft. Floor furnaces may have special venting problems because their vent connector exits the furnace close to the floor and may travel 10 to 30 feet before reaching a chimney. Check to see if this type of venting or the floor furnace itself needs replacement. If you smell gases, you have a venting problem that could affect your health. Contact your local utility or your Bremerton heating contractor to have this venting problem repaired immediately.
Chimneys can be expensive to repair, and may help justify installing new heating equipment that won’t use the existing chimney.