If mechanical ventilation does not exist, a system should be recommended to the homeowner. Also strongly encourage the homeowner to upgrade their current furnace filter to higher-performing media filter. If condensation on windows exists, consider the following, provide ventilation to help manage the indoor moisture level, replace the windows with a high-performance product. If the homeowner has a serious comfort problem, a more detailed evaluation of the home’s existing performance may be required. This may involve blower door and duct blaster testing, careful balancing as well as the possible use of an infrared camera.
Recommend a quality heating contractor to do a full analysis of the heating systems, performance and safety. Check for back drafting, heat exchanger integrity and proper combustion. Also if there are cold rooms, consider balancing the system or adding more insulation on air sealing. If the existing ductwork is unsealed and it passes through unconditioned spaces such as attics and crawl spaces, recommend that a professional contractor seal the seams or consider relocating them within the condition space. We recommend that all homes have some form of mechanical ventilation and improved filtration. This is critical when you’re remodeling project may tighten up the building envelope and reduce leakage.
Any fireplace, the Lexus sealed enclosure or airtight doors are subject to back drafting easily when negative indoor pressures exist. Should this type a fireplace exist, we recommend replacing the firebox with the closed combustion units or installing air tight doors. This performance inventory provide you with the tool that can create more opportunities to increase the value of your project and improve the comfort, energy efficiency, durability and resale value of your client’s home. Remember the rules of building performance apply to all homes new or old.
If you have any questions regarding the application of these rules, review that section in this program. For those builders or homeowners, preferring to build to a higher standard such as sustainable construction or green building standards, they’re now local, regional and national programs offering support and recognition. Many these programs provide guidance and standards for each area of remodeling from tear down in recycling to material selection. Remodeling is an opportunity to apply the whole house systems approach the second time. This can enhance your business by increasing referrals reducing liability exposure on call backs improving the existing housing stock.