Seal the collar to the main duct with at least two wraps of mastic tape, pressing the tape tight to the core. Use a nylon or plastic cable tie as a clamp to permanently seal the collar and flex duct to the main duct. Step 4 Replace and secure the insulation. Pull the insulation ...
Another reason for frozen coils is low refrigerant levels. Low refrigerant can lead to a drop in temperature within the coils, making them freeze. If this happens, you’ll need to call an HVAC professional to check and refill the refrigerant. Sometimes, dirty evaporator coils can also be the...
HVAC system installers need to bore a large hole through the exterior wall of the house in order to pass refrigerant lines through to the compressor outside. Most take time to caulk the hole around the lines, but the caulk fails over time, often leaving a gap where air (and insects) can...
Leaky Ductwork: If your HVAC ductwork has leaks, it can lead to inconsistent room temperatures. Inspect your ducts for cracks, gaps, or holes. Seal any leaks using mastic sealant or HVAC tape. For a more thorough and efficient solution, consider professional duct sealing services like those off...
Readers of this document should be sure to review our table of septic tank pumping frequency.The same pole can be used for this purpose by removing the flapper, or a separate pole can be constructed. To re-use the scum pole, just pull the hinge pin which will drop the flapper assembly,...
Ducts in an unconditioned space should be sealed and insulated, according to the Department of Energy. ‘Ducts carry hot or cold air through the walls and ceilings of your home,’ says Lester Mclaughlin, VP of Operations atBlue National HVAC. ‘Sometimes they’re installed in drafty spaces wi...
One key component in how well HVAC equipment performs has to do with whether or not it is sized correctly for the anticipated heating load. Such factors as window size, number, and placement; attic and sidewall insulation; square footage of habitable space; and other items need to be ...
balancing report. When it’s a variable air volume ERV and there’s no static pressure set point noted in the TAB report, that’s a red flag. We can tell right away that it was not balanced correctly. The balancer and HVAC contractor need to return and make the adjustments prior to ...
There are some black adhesive mastic and black Asphalt Coatings that were used as foundation waterproofing or tile adhesive have contained asbestos fibers though not generally in a friable condition. It would be really unusual to find anyone spraying such an unsuitable material onto the covers of...
The purpose of the Trust is to assume the asbestos liabilities of the debtors, Halliburton Company and certain of its affiliates related to the operations of Harbison-Walker Refractories Company, Kellogg Brown & Root, Inc., Dresser Industries, Inc. and certain other businesses, and to use the ...