What Homebuyers Should Know About HVAC Systems
If you are considering purchasing a home, purchasing your first property can be a challenging process due to the numerous factors to consider. HVAC equipment, for example, may carry hidden costs. Here are some key suggestions for ensuring your new home’s heating and cooling system is a blessing rather than a curse.
Check the HVAC Units
Before you buy, inspect the cooling and heating units. Signs of an aging or deteriorating unit include watermarks, rust, rot, or loud operating noises.
- Age Considerations: If a heat pump or furnace is more than 10 to 15 years old, you may need to replace it soon—especially if it hasn’t been well-maintained. Request all available maintenance records from the current homeowner.
- Negotiation: If the system is old or in disrepair, discuss replacement possibilities before closing. You may be able to negotiate a lower asking price or request that the seller replace or credit the unit.
- Long-Term Savings: If a replacement is necessary, doing it quickly can prevent costly emergency repairs. Because HVAC accounts for roughly half of a home’s utility budget, upgrading to a high-efficiency system will lower your monthly bills.
A general home inspector can examine each unit, but consulting an HVAC specialist gives you a detailed look at technical issues, helping you avoid unexpected, expensive upgrades.
Examining the HVAC Ducts
You don’t need to be an HVAC technician to spot obvious ductwork issues. Inspect exposed ducting in areas like the attic, basement, or crawlspace:
- Look for rust, dampness, and gaps at the connections.
- Check for loose joints or unsealed seams.
Duct leaks and improper sizing force the HVAC system to work harder than necessary, driving up monthly utility bills and shortening the equipment’s lifespan. Repairing duct leaks is relatively inexpensive and delivers an immediate return on energy savings.
Insulation
Insulation is essential for maintaining a stable indoor temperature while providing a moisture and sound barrier.
Pay attention to the temperature in each room as you tour the house. Drafts or noticeable temperature swings between rooms often indicate inadequate insulation—a common issue in sunrooms, home additions, or enclosed porches.
While insulating an attic is fairly straightforward and affordable, retrofitting insulation throughout the entire home can be costly. Factor potential insulation upgrades into your home-buying budget to avoid unexpectedly high utility bills.
Air Leaks
Check the seals around windows, doors, and exterior penetrations:
- The Smoke Test: If permitted, perform a simple test using an incense stick. Hold the lit stick near window seals, door frames, and duct connections. Steady smoke indicates a good seal, while flickering or moving smoke points to drafty air leaks.
- Sealing Drafts: Finding a few minor air leaks shouldn’t deter you from buying a house. Sealing drafts with weatherstripping or caulk is a simple project that ensures your HVAC system operates at peak efficiency.
The HVAC system is one of the largest mechanical investments in any home. Keeping these evaluation tips in mind during your home search will help ensure you make a sound investment. For professional inspections or HVAC consultations in the Bay Area, contact Calvey Heating and Air!
Joe Calvey
Joe Calvey is the CEO & Founder of Calvey Heating & Air, a leading HVAC business in San Jose, serving San Francisco and the Greater Bay Area for over 18 years.
Under Joe’s leadership, the team at Calvey Heating & Air specializes in HVAC repairs and maintenance, new system installations in custom homes, new construction, existing home upgrades, and light commercial HVAC work.