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Heating & Cooling Repair: Tips and Step-By-Step Guides

This Section covers important information and how-to guidance on furnace filter replacement, thermostats and more.
Dryer Vent Safety - What You Need to Know
Tutorial describing safety issues surrounding gas and electric dryers including venting.
Dryer Vent Cleaning - Dryer Repair
This tutorial explains a very important dryer repair involving cleaning your dryer ducts of dangerous lint build up, a major source of dryer fires. It photo documents the steps involved in cleaning your dryer of lint in the lint trap and in dryer ducts.
Safely Turning a Gas Valve On and Off - Shutoff
Describes how to turn a gas valve on and off such as when disconnecting or installing a gas dryer or gas stove.
Types of Electronic Furnace Ignition
Describes the two main types of electronic furnace ignition, Furnace Intermittent Pilot and Furnace Hot Surface Ignition.
Measuring Furnace Filter Efficiency
Describes how the effectiveness of furnace filters are measured using Minimum Efficiency Reporting Value or MERV.
Furnace Standing Pilot Versus Electronic Ignition
Overview of the furnace standing pilot versus electronic ignition.
How to Troubleshoot and Repair Your Wall Mounted Electric Heater
Tips on how to diagnose problems and fix your electric wall heater.
Types of Home Electric Heaters
Tutorial describing the types of electric heaters typically found in a home including cove, wall, toe kick and baseboard.
How to Size an Electric Room Heater - Baseboard or Wall or Cove Heater
Tip on how to determine the right size electric room heater for your needs.
Where to Improve Your Home's Energy Efficiency
Describes how the home loses heat and what repairs bring the highest benefit.
Window Mounted Room Air Conditioner Troubleshooting
This tutorial describes how to troubleshoot a window mounted room air conditioner.
Window Air Conditioner Maintenance
This tutorial describes how to maintain a window mounted room air conditioner.
Central Air Conditioning Unit and Heat Pump Maintenance
Tutorial on maintaining the outside condensing unit of a central air conditioning or heat pump system.
How to Install a Home Furnace Thermostat
Tutorial on how to install a home thermostat for heating or cooling for gas forced air or hot water heating systems.
Troubleshooting a Gas Furnace - Furnace Repair
Identifies common problems, causes and fixes for various gas furnace problems
Troubleshooting a Hot Water Boiler - Gas Fired Boiler Repair
This tutorial describes and covers the troubleshooting and repair of gas fired boilers that heat water for hot water or hydronic home heating systems. These boilers can be fired with gas or oil, but the components are similar.
Thermostat and Furnace-Boiler Compatibility
You must make sure to use the proper type of thermostat for your furnace. Mismatching equipment is dangerous. Learn the differences between millivoltage, low and high or line voltage systems and how to identify what type of system you have.
Types of Home Heating Systems
Describes the most common types of home heating systems including forced air, hydronic hot water baseboard, radiant in floor heat, steam heat radiation and Geothermal Heat Pump (GHP).
Electronic Ignition Furnace - Overview and Repair
The gas electronic ignition furnace is the most common type of new furnace but requires a special understanding of its components for repair of hot surface ignition and intermittent pilot systems.
Furnace Filter Replacement - AprilAire Space-Gard 2200
Detailed photo tutorial for installing the AprilAire Space-Gard 2200 whole house high efficiency air filter
Troubleshooting a Home Furnace Thermostat
Tutorial on thermostat troubleshooting for mechanical thermostats such as Honeywell, White Rodgers, Lux
Heat Anticipator Adjustment
Describes the thermostat heat anticipator and how to adjust it
Anatomy of the Furnace Thermostat
Overview of home furnace thermostat types including digital programmable, mercury and mechanical contact thermostats as manufactured by Honeywell, White Rodgers and others.
How to Light a Gas Furnace Standing Pilot
This tutorial describes how a furnace pilot and thermocouple work and how to light a standing pilot on a gas furnace.
Heating and Cooling Terms You Need to Know
Assembly of often used terms in heating and cooling systems for the home
Anatomy of the Humidifier - How a Humidifier Works
Tutorial explaining and graphically depicting the various components of the home furnace mounted humidifier.
Seasonal Furnace Maintenance
Follow these simple tips for seasonal maintenance on your furnace to help keep it running efficiently and safely.
Home Winterization
Fall checklist for getting your home ready for winter.
Furnace Filter Replacement - Standard 1" Type
Description of how to perform a monthly filter inspection and replace a paper or fiberglass media furnace filter for improved indoor air quality and energy conservation.
Heating and Cooling Systems Descriptions
This U.S. Department of Energy overview of all types of heating and cooling systems provides an excellent reference of energy conserving and performance issues to consider if you have to replace or upgrade.
Do It Yourself Home Energy Audit
This comprehensive checklist provides you a way to evaluate your home and identify and prioritize potential energy efficiency upgrades.
Home Heating Safety Tips
Review this helpful guide to home heating safety tips.
Selecting a New Water Heater
This helpful reference provides an overview of the various options you have when replacing your water heater including conventional, on demand (tankless), indirect, even solar.

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