Donnelly's
Ambler, PA:
Help! My Furnace is Blowing Cold Air!
Is your furnace blowing cold air, leaving you shivering? We have three common causes of this furnace concern, and what you can do to fix them.
How to Zone a Forced-Air Furnace and Air Conditioner
Ask This Old House plumbing and heating expert Richard Trethewey shows how to divide a home's heating and air-conditioning system into different zones
How to Do Fall Furnace Maintenance
Service your heating system before the cold weather kicks in for good
How Often Should You Have a Furnace Inspection?
A yearly furnace inspection will prolong the life of your HVAC system and save on your energy bills.
DIY Furnace Maintenance Tips
Nobody wants to think about a heating system when it's still warm, but winter is never far away. Servicing a heating system will ensure the heat will work.
How to Find an Honest Furnace Repair Company
If you are in need of emergency furnace repairs it's important to remember that some furnace repair companies will serve you better than others - so choose wisely.
How Does a Furnace Work? — HVAC Repair & Troubleshooting Tips
Furnace not igniting, blowing cold air or running all the time? This video provides information on how a furnace works and offers troubleshooting tips to ass...
How to Set a Thermostat
A thermostat activates your furnace or air conditioner to come on at pre-set times determined by temperature changes in your home or office. Energy experts agree that setting your thermostat to adjust to different temperatures when you're...
How to Troubleshoot a Furnace Blowing Cold Air
So you’ve turned on your furnace, but it’s giving you the cold shoulder by blowing cold air. What’s wrong?
Furnace filter guide: How often you should replace your filter and more
Your furnace filter does a lot to keep your furnace in good working condition.
How Often Does an Air Conditioner Need Service?
How often do air conditioning units need to be serviced by an HVAC professional? Angie's List co-founder Angie Hicks talks to experts and provides answers.
9 Tips for Keeping Cool when Your Air Conditioner Breaks
We help you keep cool when your air conditioner breaks and it's hot outside with these 9 tips.
8 Mistakes You're Making With Your Air Conditioner
How Often Should You Clean Your Air Ducts?
Curious how often you need air duct cleaning? Or even how to clean air ducts? Consider these expert tips.
A Guide for Home Heating & Air Conditioning
How do you choose the right contractor for your home heating and air conditioning needs, and what can you expect the professional contractor to do? Let us ta...
Should You Have Your Air Ducts Cleaned?
For advice on whether you should have your air ducts professionally cleaned, make sure to discuss the matter with your air conditioner repair company.
Air Conditioning: Fun Facts & History
Air conditioning is a luxury many of us take for granted these days, as it is a standard piece of equipment in most U.S. homes now. It has impacted our lives in many ways that we don’t necessarily think about, because most of us are fortunate enough to live in a home with a cooling system.
Top reasons why your car’s air conditioning isn’t working
On hot days, broken air conditioning can lead to sticky, unpleasant drives. Discover the problem and how to get it fixed, so you can get back to a cooler ride.
Central Air Conditioning Buying Guide
Shopping for a central air conditioning system? Read about types, features, and other must-know topics in our central air conditioning buying guide to make an informed choice.
Troubleshooting Tips and Air Conditioner Repair
If you are not able to fix your air conditioning system on your own, it may be time to call an air conditioning repair company and schedule a service call.
Steps to Keep Your Central Air Conditioner Running Smoothly
Basic central air conditioner maintenance can keep your unit running smoothly and more efficiently, saving you up to 15 percent on annual cooling costs. A properly maintained air conditioning system ...
