We size heating and cooling by calculation, not by rule of thumb. Systems run efficiently, clear inspection, and hold up for years. Built for builders, contractors, and property managers.
AirPrime install · ducted systemMost HVAC problems trace back to equipment chosen by habit instead of calculated for the building. Oversized systems short-cycle and wear out early; undersized ones never keep up. Both cost the owner, and both come back to you.
A Manual J calculation per room, not one number for the whole house. That’s why the equipment is right-sized instead of estimated.
Each room’s equipment is picked to its calculated load and how the room is used: ducted, wall, or cassette.
Rooms are grouped so each zone holds its own setpoint, which keeps the system quiet, even, and cheap to run.
AC, furnace, and mini-split installs sized to the building’s load.
Root-cause diagnostics and repairs that fix the fault, not the symptom.
Duct and refrigerant-line design, sealing, and balancing to airflow targets.
Single- and multi-zone cold-climate systems, commissioned to spec.
Filtration, humidity control, and UV. Designed in, not bolted on.
Zoning and smart thermostats set up to hold each zone’s setpoint.
Somerville, MA · multi-family10-unit new-construction residential building. AirPrime carried the full HVAC scope, plus bathroom, dryer, and kitchen-hood venting.
Nahant, MA · single-familyCustom single-family home with a central ducted system engineered from a room-by-room Manual J load calculation.
Lancaster, MA · luxury community22-home luxury single-family community. Ductwork was custom-engineered to eliminate unnecessary soffits and chases — preserving the original architecture of every home.
On site · AirPrime crewWe sequence rough-in to commissioning around your other trades, so HVAC isn’t why the timeline slips.
Load calcs, equipment specs, and as-builts prepared to MA and NH code, so inspection is a formality.
We balance, test, and verify performance, then hand over specs and warranty records at close.
Site walk, measurements, and a room-by-room load calculation.
Equipment selection, duct and lineset layout, and a written scope.
Clean installation to spec, sequenced with your other trades.
Balance, test, verify performance, and hand over documentation.
Based in Ayer, MA. If your project is in the region, we can quote it.
On the road across MA & NHThey sized the system to our actual plans, and it passed inspection the first time, with no punch list and no callback. They’re on our next three builds.
AirPrime sequenced around our other trades and hit every date. HVAC was the one thing I didn’t have to chase.
Clean install and full documentation at handover. The inspector had zero questions.
We install and service all major brands
Send the details and we’ll follow up to set up a site assessment and load calculation. No obligation, no cost to quote.