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Residential Buildings

HVAC Design Is About More Than Equipment Sizing

Many people seem to think HVAC design means you get a load calculation (Manual J in the ACCA protocols) so […]

Case Study: Preventing Mold and Moisture Issues in Senior Housing

The following is the second article in a three-part series addressing mold and moisture control in multi-family housing.  The first […]

Case Study: Village Square

Village Square is a new development in Paoli, Pennsylvania. The project is constructing a 30-townhouse community1. With a handful of […]

Is a Ventless Fireplace More Efficient Than a Condensing Furnace?

One of the primary benefits of an unvented gas fireplace is that you don’t lose any heat up the flue. […]

Let’s Talk About Basements – Common Problems Along with Solutions

When air sealing and insulating a home, you should always give the attic first priority and then go to the […]

Ventilating A Home In Cold Weather

When I woke up on a recent Saturday morning, the temperature outdoors was -40 degrees†. The wind chill was -100 […]

Different Methods to Treating a “Walk Up Attic”

Walk up attics have to be dealt with differently than a normal attic with a hatch. They are different because the […]

The Importance of Addressing Humidification In HVAC/Home Performance Conversation

It continues to amaze me how often we are in a customer’s home as the second, third or fourth opinion […]

J.M. Oliver Heating & Cooling Recognized as ACCA 2018 Residential Contractor of the Year

The Air Conditioning Contractors of America (ACCA) announces it recognizes J.M Oliver Heating & Cooling of Morton, Pennsylvania as ACCA’s […]

The Four Laws of Thermodynamics

Building science is an odd subject. Few colleges and universities teach it. The majority of those who work on buildings […]

When Do Door Undercuts Suffice for Return Air?

Most people don’t know that simply closing a door in their home can make them sick, increase their energy bills, […]

Why Aren’t You Offering Air Sealing and Insulation?

Over the past several years, HVAC contractors have been enticed to enter the Home Performance industry.  This push has come […]

The Case for Comfort Over Energy Savings in Evaluating Home Performance Improvements

When it comes to home performance there is too much talk about energy savings and not enough about comfort. Contractor Kathe Stewart explains.

Equipment Size, Ducts, and Building Envelope…Oh My!

What do these three have In common? ∙Equipment Size ∙Ducts ∙Building Envelope For HVAC contractors, everything. However, they are actually […]

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