Looking at some condo gas furnace installations in compartments or closets above the ceiling makes me laugh, cry, and scream at the same time. I can’t even imagine what the installer of the furnace was thinking … or if he was thinking at all. In HVAC trade, just like in any other, there are some basic rules that anyone performing the job should follow. Not because somebody wrote them down, but... 

Making seasonal inspections of your furnace and air conditioning system makes sense, and I’d highly recommend having it done on a regular basis on any age furnace and AC units.// < ![CDATA[ // < ![CDATA[ google_ad_client = "pub-0360944017767954"; /* 300x250, furnace inspection top */ google_ad_slot = "2100583248"; google_ad_width = 300; google_ad_height = 250; // ]]>The question is –... 

Musty smell from heating system air ducts could have many sources. Although, it is always associated with moisture presence, eliminating it in some cases requires total redesigning of the forced air heating system. This particular case applies to the houses with a forced air heating system metal air ducts embedded into the concrete slab (scroll to the bottom for a couple of other scenarios).... 

Without a regular maintenance your whole house humidifier unit might become a perfect mold distribution device. If your furnace is located in a crawlspace or house attic area you might not even know that you have a whole house humidifier installed. Please, check it or if you can’t, have someone else do it for you. Those areas are always full of surprises… Whole house humidifier basic maintenance... 

It’s been almost one month since I’ve finished the installation of my Rotary Disc Furnace Mount Whole House Humidifier by Desert Spring. I was a little hesitant before buying it and concerned with the other not-so-happy owners, but have finally come up with some answers I hope will help. Let’s start from my environment:House sq footage – 2200 House type – 2 story colonial, on slab... 

All types of fuel burning appliances in our homes require air to properly burn that fuel. It is called Combustion Air and it actually has three functions:It  is required to properly burn fuel To dilute exhaust gases that are being vented to exterior To vent and cool appliancesThe most popular fuel used in our homes is of course natural gas. For every one cubic foot of gas, there are 10 cubic feet... 

A whole house humidifier or furnace mounted whole house humidifier is just another example of an extremely neglected component of our house – on top of a brick chimney, an attic, and a crawlspace, which fall into the same basket. If you’re not going to maintain it, it’s probably a bad idea to get a whole house humidifier. Since it is attached to a forced air heating system that constantly... 

Poorly designed or older forced air heating, and air-conditioning systems often have only a single air return compartment. With a single story home, such furnace air return installation is still popular, simply because it saves money and material. However, single furnace air return configuration might not be as efficient as the one with individual air return ports installed in every room.... 

We notoriously forget to replace air filters in our forced air heating / air conditioning systems… Air flow starts deteriorating through the house, system seams to be operating, but it takes significantly longer to achieve desired temperature …The solution might be simple – clogged air filter, or missing air filter, and in that second case, you might have a contaminated evaporator...