Call Now: 860-919-4482

Portfolio

Before & After

See real projects completed by NorthStar Service LLC. Quality workmanship you can trust.

Our Work Speaks For Itself

Browse through our project gallery to see the quality of work NorthStar Service LLC delivers. From residential HVAC to commercial refrigeration, we take pride in every job.

Before: Complete HVAC System Replacement
After: Complete HVAC System Replacement
Residential HVAC

Complete HVAC System Replacement

Replaced aging furnace and AC with high-efficiency system.

Southington, CT

Before
After
Commercial Refrigeration

Commercial Walk-In Cooler Install

New walk-in cooler installation for local restaurant.

Bristol, CT

Before: Ductless Mini-Split Installation
After: Ductless Mini-Split Installation
Air Conditioning

Ductless Mini-Split Installation

Added zone cooling to sunroom addition.

Cheshire, CT

Before: Boiler Replacement
After: Boiler Replacement
Heating

Boiler Replacement

Old rusted boiler replaced with a new high-efficiency unit.

Plainville, CT

Before: Commercial HVAC Retrofit
After: Commercial HVAC Retrofit
Commercial HVAC

Commercial HVAC Retrofit

Updated rooftop units for office building.

New Britain, CT

Before
After
Commercial Refrigeration

Display Case Repair

Repair and upgrade for grocery store display cases.

Meriden, CT

Before: Hybrid Heat Pump Water Heater
After: Hybrid Heat Pump Water Heater
Residential Heating

Hybrid Heat Pump Water Heater

Rheem 50-gallon hybrid heat pump water heater installation.

Southington, CT

Before: Furnace Maintenance Service
After: Furnace Maintenance Service
Residential Heating

Furnace Maintenance Service

Professional furnace maintenance - all makes and models.

Southington, CT

Before: Heat Pump Installation
After: Heat Pump Installation
Air Conditioning

Heat Pump Installation

Modern heat pump system on brick exterior.

Wallingford, CT

Before: Outdoor AC Unit Installation
After: Outdoor AC Unit Installation
Air Conditioning

Outdoor AC Unit Installation

Professional installation of high-efficiency heat pump on concrete pad.

Durham, CT

Before: Mini-Split AC Installation
After: Mini-Split AC Installation
Air Conditioning

Mini-Split AC Installation

Wall-mounted ductless mini-split system in living room.

Berlin, CT

Before: Commercial HVAC Unit Installation
After: Commercial HVAC Unit Installation
Commercial HVAC

Commercial HVAC Unit Installation

Professional installation of Samsung heat pump system.

Middletown, CT

Before: Basement Mini-Split Installation
After: Basement Mini-Split Installation
Air Conditioning

Basement Mini-Split Installation

Mini-split AC system installation in basement space.

Waterbury, CT

Before: Modern AC System Installation
After: Modern AC System Installation
Air Conditioning

Modern AC System Installation

High-efficiency mini-split system mounted in basement.

Meriden, CT

Before: Commercial Boiler Room Installation
After: Commercial Boiler Room Installation
Commercial HVAC

Commercial Boiler Room Installation

Multi-unit heating system installation with return water pipes.

New Haven, CT

Before: Furnace System Replacement
After: Furnace System Replacement
Heating

Furnace System Replacement

Complete furnace upgrade for improved energy efficiency.

Wallingford, CT

Before: High-Efficiency Furnace Installation
After: High-Efficiency Furnace Installation
Heating

High-Efficiency Furnace Installation

Upgraded to modern energy-efficient furnace system.

Durham, CT

Before: Basement Boiler Replacement
After: Basement Boiler Replacement
Heating

Basement Boiler Replacement

Replaced old heating system with high-efficiency unit.

Berlin, CT

Before: A.O. Smith Furnace Installation
After: A.O. Smith Furnace Installation
Heating

A.O. Smith Furnace Installation

Professional A.O. Smith furnace system installation.

Plainville, CT

Before: Furnace Upgrade with New Ductwork
After: Furnace Upgrade with New Ductwork
Heating

Furnace Upgrade with New Ductwork

Complete furnace replacement with updated ductwork.

Cheshire, CT

Before: High-Efficiency System Installation
After: High-Efficiency System Installation
Heating

High-Efficiency System Installation

New high-efficiency furnace system with modern controls.

Southington, CT

Before: Boiler System Replacement
After: Boiler System Replacement
Heating

Boiler System Replacement

Old heating system replaced with modern efficient unit.

Bristol, CT

Before: Complete Furnace System Upgrade
After: Complete Furnace System Upgrade
Heating

Complete Furnace System Upgrade

Full furnace replacement with new ventilation system.

New Britain, CT

Before: Modern Furnace Installation
After: Modern Furnace Installation
Heating

Modern Furnace Installation

Professional installation with new ductwork and ventilation.

Meriden, CT

Before: Furnace Replacement
After: Furnace Replacement
Heating

Furnace Replacement

Old open furnace replaced with a new high-efficiency unit.

Southington, CT

Before: Oil Boiler Replacement
After: Oil Boiler Replacement
Heating

Oil Boiler Replacement

Old blue boiler replaced with a new efficient oil boiler with expansion tank.

Berlin, CT

Before: Boiler System Upgrade
After: Boiler System Upgrade
Heating

Boiler System Upgrade

Aging blue boiler replaced with a modern high-efficiency unit.

Plainville, CT

Before: Mini-Split in Living Room
After: Mini-Split in Living Room
Air Conditioning

Mini-Split in Living Room

Ductless mini-split system installed in living room for year-round comfort.

Cheshire, CT

Before: Basement Furnace & Water Heater
After: Basement Furnace & Water Heater
Heating

Basement Furnace & Water Heater

High-efficiency gas furnace installed alongside water heater in basement.

Southington, CT

Before: Brick Wall AC Installation
After: Brick Wall AC Installation
Air Conditioning

Brick Wall AC Installation

Professional outdoor compressor mounted on brick exterior with clean piping.

Wallingford, CT

Before: Dual Mini-Split System
After: Dual Mini-Split System
Air Conditioning

Dual Mini-Split System

Professional dual mini-split installation with outdoor compressor and indoor head unit.

Durham, CT

Want to see your project in our gallery? Contact us today for a free estimate.

Get Started

Ready to Experience Integrity-Based Service?

No salesmen. No upselling. Just honest, professional HVAC and commercial refrigeration services from Jim Hart and the NorthStar team.