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Every system.
One crew.

From a single ductless head to a full central system with custom ductwork — here’s everything Giants installs, services and repairs.

Get a free quote (857) 204-9207
Ductless Mini-Splits — Giants job photo
01 — Room by room

Ductless Mini-Splits

Quiet heating and cooling with no ductwork — made for triple-deckers, condos and finished attics.

  • Single-zone and multi-zone systems
  • Wall-mounted heads with clean line-set covers
  • Heating and cooling in one system
  • Ideal for homes without ductwork
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Central Air — Giants job photo
02 — Whole home

Central Air

A properly sized air handler and sealed ductwork for even, whole-house cooling.

  • Air handler + outdoor unit installs and replacements
  • New or modified ductwork
  • Condensate lines and pumps done right
  • Uses your existing ducts where possible
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Heat Pumps — Giants job photo
03 — Heat + cool

Heat Pumps

Cold-climate heat pumps that heat through Boston winters and cool all summer.

  • Cold-climate systems for New England
  • Ducted and ductless options
  • Replace or supplement oil and gas heat
  • Ask about Mass Save® rebates
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04 — Natural gas

Gas Heat & Furnaces

Natural gas furnaces and heat, installed right and ready for winter.

  • Furnace installs and replacements
  • Paired with central air for year-round comfort
  • No-heat repair calls
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Air Handlers — Giants job photo
05 — Indoor units

Air Handlers

New and replacement air handlers, installed clean and wrapped tight.

  • Vertical and horizontal installs
  • Insulated plenums and returns
  • Condensate pumps and drains
  • Replacement of failing units
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Sheet Metal & Ductwork — Giants job photo
06 — Custom fab

Sheet Metal & Ductwork

Custom trunk lines, transitions and insulated runs — our roots are in sheet metal.

  • Custom trunk lines and fittings
  • Insulated flex and rigid runs
  • Attic, basement and chase installs
  • Transitions fabricated to fit
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Hi-Velocity Systems — Giants job photo
07 — Older homes

Hi-Velocity Systems

Small-duct systems that snake through walls and closets where regular ducts won’t fit.

  • Small, flexible supply ducts
  • Fits through walls, closets and chases
  • Minimal demolition in older homes
  • Quiet, even cooling
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Repairs & Leak Detection — Giants job photo
08 — Diagnostics

Repairs & Leak Detection

From a 6-head mini-split leak hunt to a system that just won’t keep up.

  • Leak detection on ductless and split systems
  • No-heat and no-cool calls
  • Multi-head system diagnostics
  • Honest repair-or-replace advice
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Light Commercial — Giants job photo
09 — Shops & offices

Light Commercial

Ductless and split systems for shops, storefronts and small offices.

  • Storefronts, shops and small offices
  • Ductless and split systems
  • Clean installs in finished spaces
  • Scheduling around your hours
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