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Claim This BusinessCollier's Heating & Air Conditioning has served Northern Indiana homeowners since 1987, building a track record spanning 38 years in the Warsaw area and surrounding communities. This locally established contractor holds a 4.7-star rating compiled from 246 verified customer reviews, reflecting consistent service delivery across heating, cooling, and indoor air quality projects. The company provides standard business-hour coverage Monday through Friday from 8 AM to 5 PM, with 24/7 emergency response available for system failures that cannot wait.
What distinguishes Collier's from the regional field is their breadth of specialized certifications and dealer designations. The team maintains NATE-certified technician credentials and has earned Top Dealer status, signalling factory-level training from major equipment manufacturers. Their service catalog extends well beyond standard residential HVAC into commercial refrigeration, geothermal system design, solar panel and attic-fan installation, and whole-home generator setups. A dedicated Fireplace Shoppe division handles sales, maintenance, and repair for wood-burning, gas, and pellet units, addressing a niche that few neighboring contractors match.
Local reviewers specifically name technicians who handled their situations with notable results. Rick conducted a prewinter furnace inspection for Amanda Galley's home, diagnosing a failed ignition component and presenting a replacement quote that the reviewer described as impossible to refuse. The installation team of Hunter and Lucas completed the new furnace setup, earning praise for politeness and technical knowledge. For homeowner Debbie Parker facing summer AC failure, Collier's dispatched a technician the following day, then later performed a furnace evaluation that uncovered a serious issue requiring system replacement. Matt serviced Rick Bradley's fireplace, completing work that left the unit looking like new.
All three sampled reviewers awarded 5-star ratings, with each describing specific technicians by name (Rick, Hunter, Lucas, Matt, Chris). Customers consistently mention honesty about equipment longevity, with one reviewer specifically contrasting Collier's transparency against prior experiences with another company that performed recurring repairs without explaining underlying issues.
| Sunday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| ThursdayToday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
New furnace installation, repair, and preventive maintenance. Includes boiler systems, heat pumps, and radiant heating.
Central AC and ductless split system installation, repair, and seasonal maintenance.
Air filtration, purification, humidification, dehumidification, and zone control for whole-home comfort.
Duct cleaning, repair, replacement, and sealing to improve system efficiency and air distribution.
Rooftop units, commercial heating and cooling, walk-in coolers, freezers, and ice machines.
Sales, cleaning, repair for wood, gas, and pellet fireplaces plus BBQ grills and outdoor furniture.
Solar panel and attic fan installation, plus whole-home standby generator installation and service.