If the high limit switch in a furnace keeps tripping, the most common cause is a lack of airflow. When the air can not flow through the furnace, it heats up and trips the limits switch off. Why Does the High Limit Switch Shut Off the Furnace? The high limit switch is a safety feature,… Read More: Furnace High Limit Switch Keeps Tripping Causes and Fixes »
Refrigerant recovery from an HVAC system has been mandatory since 1995 when the EPA enacted the Montreal Protocol and required 608 certification of all technicians. Refrigerant must be recovered; otherwise, huge fines can be imposed. The EPA allows for de-minimis release, or basically refrigerant released when connecting hoses to and from a unit or tank.… Read More: How To Use a Refrigerant Recovery Machine on an HVAC… »
If your furnace needs a new control board, the average cost for an HVAC technician to install it is $400-$700. If you are a DIY type of person, furnace control boards can be bought online for $50-$250, depending on the furnace. Can I Replace My Own Furnace Circuit Board? Doing it yourself is very tempting… Read More: Cost to Replace a Furnace Motherboard Control Board »
Table of contents Types of Mobile Home Furnaces Standard Furnace vs. Mobile Home Furnace Components of a Mobile Home Furnace and Air Conditioning 80% vs. 90% Furnaces Sizing a Mobile Home Furnace Climates Ton vs. BTUs Sizing Chart for Mobile Home Furnace Updraft vs. Down Draft Furnace Mobile Home Furnace Prices How Much Will it… Read More: Mobile Home Furnace Overview and Buyers Guide »
If your furnace is giving you trouble and not starting, you can try several things before calling a technician. While the furnace may have a problem that requires a technician to troubleshoot, there are often simple causes. Below are eight common reasons a furnace will not start to try out before calling a professional. Of… Read More: 8 Reasons a Furnace Will Not Work »
Testing the furnace limit switch by bypassing it is common to see if it has gone bad. A furnace should only be run for a short while to test the switch. The furnace limit switch helps protect the heat exchanger from becoming too hot and cracking. If the heat exchanger cracks, it can let noxious… Read More: How To Bypass the Furnace Limit Switch for Testing »
Heat pumps are a great way to heat or cool a home with only electricity. No gas is required for a heat pump to work. Heat pumps work the same way a regular air conditioner works, only reversing itself in the winter to heat a home instead of cooling. They use a reversing valve that… Read More: Our Picks for the Top Best Through the Wall Heat… »
R-22 is an old refrigerant that has been slowly replaced by other refrigerants such as R410a. R-22 units can still be bought, and it looks to stay that way for some time although units are becoming more scarce. Units and parts are still sold online on sites such as eBay. The government did pass laws… Read More: Should a R-22 Air Conditioning Unit Be Replaced With a… »
Buying the correct thermostat for an air conditioning unit depends on knowing what type of HVAC unit you have. Thankfully, manufacturers set up most thermostats to accommodate almost any system, but it still helps to know what type of HVAC system you have. Types of Air Conditioning Systems Heat Pump Unit A heat pump can… Read More: How To Buy a Thermostat for an Air Conditioning Unit »
The Paris Rhone evaporative air cooler is a unit that can cool an area using water and a fan. Evaporative air coolers are popular in a location with low humidity and work well as long as the humidity levels stay low. *This unit was sent to me to review with my honest opinion and results… Read More: Review: Paris Rhone Evaporative Air Cooler »