The right system
for your home —
and what it will cost.
Our free System Evaluation is for homeowners planning a furnace or AC replacement or an electrical upgrade. We run a load calculation, size the system to your home, and help you choose the right equipment. We also check your current electrical panel and service against what your home needs now and next, like an EV charger, heat pump or standby generator, and recommend the right upgrade. It isn't a diagnostic, repair or electrical troubleshooting visit for something that's stopped working. For that, call us for service.
A real load calculation —
not a sales visit.
Our technicians are paid to get it right — not to sell you something. You get a system sized to your home, clear equipment options, and an honest picture of what replacement will actually cost.
This evaluation makes sense when...
The best time to plan a replacement is before your system fails. Most of our customers book a System Evaluation because they want to make an informed decision — not a panicked one. If your system has already stopped working, call us for service first.
Free for homeowners planning a replacement.
No charge and no obligation. One visit covers HVAC and your electrical panel. It isn't a diagnostic, repair or troubleshooting visit. If something has stopped working, call us for service.
Read our customer reviews
Common questions about the evaluation
Straight answers — no marketing language. Still have questions? Just call us.
Call Us Now →Is the System Evaluation free? +
Can I book it if my system has stopped working? +
When will I get my replacement proposal? +
What if I decide not to replace anything? +
Do I need to be home for the visit? +
Is this the same as a tune-up or maintenance visit? +
How does the GSS Club discount work? +
What areas do you serve? +

Planning a replacement?
Load calculation. A system sized to your home. Help choosing the right equipment. Free for homeowners planning a replacement — not a diagnostic or repair visit. No pressure, no obligation.