Sized, permitted, and installed in-house.
Heat pumps, central AC, and ductless systems — load calculations done by our licensed techs, permits pulled before any equipment is touched.
Right-sized systems, no guesswork.
Every installation starts with a Manual J load calculation. We specify equipment to match the building's actual thermal envelope — not the nearest round number.
We install heat pumps, split systems, and packaged units for residential and commercial properties. Our techs handle ductwork design and air balancing in the same scope.
Permits pulled before work begins.
We file mechanical permits and coordinate inspections on every project. Code compliance is not an afterthought — it's the first line item on every scope document.
Because our electricians handle the HVAC system's electrical load on the same contract, panel capacity and load management are resolved before equipment is ordered.
Licensed, bonded, and accountable.
One contract covers the full scope — mechanical, electrical, and structural. No subcontracted handoffs on the work that matters.
In-house, not subcontracted.
Filed before equipment ships.
One load analysis, full picture.
Mechanical permits are submitted and approved before any equipment is ordered. No retroactive inspections, no code surprises at final walkthrough.
HVAC electrical demand is sized alongside your panel capacity. The same licensed electrician handles both — no coordination gap between trades.
Every HVAC tech on your project is a Willis employee. Licensing and insurance are verified before they arrive on site.
Ready to scope your HVAC project?
Send us your project details. We'll return a written scope with equipment specs and permit requirements — no vague estimates.