Types of AC Systems We Install
Central split systems fit well when you already have usable ductwork. We match the outdoor condenser, indoor coil, and air handler so airflow lands evenly at each register, including rooms that run warm in the afternoon.
Ductless mini-splits solve cooling for additions, older capes, and spaces without returns. Single-zone handles one room; multi-zone lets you set different temperatures for upstairs and first floor without tearing into walls.
Heat pump systems cool in summer and can handle light heating when the weather is mild. With the right setup and charge, they run quietly and keep indoor air comfortable even on sticky days.
Compact and low-profile options help when side yards are tight or the mechanical room is small.
We choose footprints and sound levels that fit your lot and satisfy code requirements. You will see side-by-side options and what each means for comfort and cost.
Choosing The Right Unit Size
We start with a load calculation that accounts for window area, sun exposure, insulation, air leaks, and how you actually use the house. That number guides equipment size and the blower setting we target.
Oversizing can cause short cycles and poor moisture control. Undersizing makes the unit run long and still miss the set point on hot afternoons. We explain the tradeoffs and show the design capacity in plain terms.
If ducts are part of the job, we check return paths, measure static pressure, and adjust branch sizes so the blower is not fighting the ductwork.
The Installation Process
We confirm equipment location, line-set routing, condensate drain path, and electrical before we start. Where permits or inspections apply, we handle the paperwork and schedule visits so the job stays on track.
The outdoor unit is set on a level pad with proper clearances. And inside your house, we mount and connect the air handler or coil, then pressure-test with nitrogen, pull a deep vacuum, and make clean electrical terminations on a dedicated circuit with a labeled disconnect.
We program the thermostat, set reasonable schedules, and show you how to run the fan and hold features. Work areas are protected, and old equipment leaves with us.
Ready to get on the calendar? Call (508) 310-0955 for the next open slot.
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Testing The AC Unit
Commissioning is not a glance at the thermostat. We measure supply and return temperatures, confirm airflow against the design target, and verify refrigerant conditions.
We also test the float switch, check condensate flow, and listen for vibration.
Outside, we confirm safe clearances and steady fan operation. Inside, we make sure the blower speed and thermostat staging match the home’s load.
You will see the readings and what “normal” looks like for the first week.
Areas We Service
We serve Hopedale and nearby towns in Worcester County, including Milford, Mendon, Upton, Bellingham, and Uxbridge. You will get appointment windows that respect local traffic and parking realities.
- Phone: (508) 310-0955
- Email: officemgr@centerlinemech.com
- Audience: Residential
Maintenance Tips Post-Installation
Change filters on schedule and keep furniture from blocking returns. A clean filter protects the coil and keeps the blower from working harder than it should.
Give the outdoor unit breathing room. Trim plants and clear leaves so air can move through the coil. A light rinse in spring helps performance.
Plan a pre-season check to confirm charge, clean coils, and catch small issues early. If you are considering insulation or air sealing upgrades, we can point you to changes that lower cooling load and noise.
Ask about our residential maintenance plan at (508) 310-0955.
FAQs
Price depends on the home’s cooling load, equipment efficiency, duct condition, and the number of zones. After a short walkthrough, we provide a written estimate that separates equipment, labor, and any electrical or duct updates.
Most straight replacements finish in a day once materials are on site. Multi-zone or projects that include new ducts take longer, and we set that schedule in writing before work begins.
Plan on a tune-up before the cooling season and regular filter changes. If you have pets or allergies, filters may need more frequent attention.
Guessing at size, reusing undersized returns, poor line-set insulation, and sloppy condensate routing cause comfort and reliability issues. We address each during design and commissioning so you start with a clean baseline.
Licensing and compliance
Work is performed by a licensed HVAC contractor. Massachusetts license number: 11040. We follow applicable mechanical and electrical codes, secure permits when required, and carry proper insurance. Please operate your system as instructed and schedule routine maintenance to keep performance steady.
