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50+ Years
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Emergency
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Your Trusted Partner for HVAC Solutions in Princeton, NJ
Redding's Plumbing, Heating & Air Conditioning has served Princeton, New Jersey and surrounding communities since 1920, establishing a legacy of excellence across four generations. Our family-owned business combines century-long expertise with modern technology to deliver comprehensive HVAC, plumbing, and home performance solutions. With a central location and extensive parts inventory, we provide rapid response for both routine maintenance and emergency repairs. As a Mitsubishi Diamond Contractor and LEED-certified professionals, we maintain rigorous technical standards while prioritizing personalized service.

Our team of experienced technicians and office staff consistently delivers 100% customer satisfaction through transparent communication and guaranteed workmanship. With over 12,000 satisfied customers across 23 New Jersey areas, we continue to uphold our founding principles of quality, reliability, and community commitment.
Services
Air Conditioning Repair Furnace Repair Boiler Maintenance Plumbing Services Generator Installation
Details
  • Year established: 1920
Highlights and features
  • 100 years serving Princeton with expert HVAC and plumbing services
  • 24/7 emergency service available for urgent heating/cooling needs
  • Extensive parts inventory enables same-day repair completion
  • Mitsubishi Diamond Contractor with specialized system expertise
  • LEED-certified professionals for energy-efficient home performance
Associations and certifications
  • Mitsubishi Diamond Contractor
  • LEED AP
What people say
Prompt emergency service Professional technicians Reliable workmanship Knowledgeable staff Excellent customer service
Services
HVAC Repair
Our certified technicians provide comprehensive heating and cooling system repairs for residential and commercial properties. With same-day parts availability and 24/7 emergency service, we restore system functionality while ensuring energy efficiency. Customers benefit from our century-long expertise and manufacturer certifications for brands like Trane and Carrier.
Plumbing Services
We offer full-service plumbing solutions including emergency repairs, fixture installation, and sewer line maintenance. Our licensed plumbers handle both residential and commercial needs with specialized equipment for modern and historic properties. Services include water heater replacement, drain cleaning, and code-compliant system upgrades.
Generator Installation
Our team installs and maintains whole-home and commercial backup generators to ensure uninterrupted power during outages. We offer energy-efficient models with automatic transfer switches and provide maintenance plans to guarantee reliable operation when needed most.
Boiler Maintenance
We provide specialized maintenance and repair services for gas and oil-fired boiler systems. Our technicians perform comprehensive inspections, efficiency testing, and necessary adjustments to ensure safe, optimal operation of residential and commercial heating systems.
Ductless Mini-Split Systems
As Mitsubishi Diamond Contractors, we install and service energy-efficient ductless mini-split systems for homes and businesses. These zoned systems provide precise temperature control with minimal structural modification, ideal for both new installations and retrofitting existing properties.
People
Michael D. Redding
President
Fourth-generation leader with Master Plumber and Inspector licenses, Michael has directed residential operations since 1993 and served as President since 2013. He maintains technical excellence while overseeing customer satisfaction.
Laura Redding
Vice President
LEED-certified Vice President managing commercial operations since 2013. With business expertise and institutional client experience, she ensures Princeton's major institutions maintain optimal HVAC performance through Reddings Mechanical division.
Questions
What HVAC services does Redding's offer?
We provide complete HVAC services including repair, installation, and maintenance for residential and commercial systems, with 24/7 emergency availability.
Do you service older heating systems?
Yes, our technicians work with all system types including historic equipment in Princeton's older homes, with specialized expertise in boiler and furnace systems.
Are financing options available?
We offer multiple financing options for system replacements and major repairs to accommodate customer budget needs.
What plumbing services do you provide?
Our plumbing services include emergency repairs, fixture installation, sewer line replacement, water heater services, and system upgrades for residential and commercial properties.
Do you offer energy-efficient solutions?
As Energy Star partners, we provide high-efficiency HVAC and plumbing systems that qualify for rebates through New Jersey's Home Performance program.
What areas do you service?
We serve Mercer, Somerset, Hunterdon, and Middlesex counties in New Jersey plus surrounding Pennsylvania communities.
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