Southern New Hampshire’s Most Trusted Home Comfort Experts

Since 2007, Custom Climates has delivered precision HVAC solutions, expert system design, and reliable service to homeowners across Southern New Hampshire — without high-pressure sales or shortcuts.

From ductless mini splits and high-efficiency furnaces to boilers, ventilation, zoning, and whole-home comfort systems – we design solutions that work better, last longer, and feel better.

Authorized Mitsubishi Elite Diamond Contractor – The Highest Level of Excellence.

Authorized Mitsubishi Elite Diamond Contractor - The Highest Level of Excellence
diamond contractor

Why Mitsubishi Diamond Elite Matters

Only a small percentage of HVAC contractors in New England earn Mitsubishi’s Diamond Elite designation. This status confirms advanced factory training, verified installation standards, and proven system design expertise.

What This Means For Your Home

  • Factory-trained system designers: Your system is properly sized, balanced, and commissioned — ensuring better comfort, quieter operation, and maximum efficiency.
  • Verified installation standard: Every system is installed to exact manufacturer specifications, reducing breakdowns, service calls, and long-term reliability issues.
  • Direct manufacturer technical support: Faster diagnostics, faster solutions, and access to Mitsubishi engineering resources when complex issues arise.
  • Extended factory-backed warranties: Longer coverage, better protection, and greater peace of mind for your investment.
  • Proven real-world experience: Over 2,000 Mitsubishi systems installed across Southern New Hampshire, delivering dependable comfort in our demanding climate.

Homeowner Benefits: Better comfort, higher efficiency, quieter operation, fewer long-term problems, stronger warranty protection

OUR STORY

Founded in 2007, Custom Climates started with a simple mission: deliver honest, reliable HVAC solutions to Epsom and Southern NH families.

After seeing homeowners repeatedly frustrated by rushed installs, confusing recommendations, and inconsistent service, we built Custom Climates around a different approach — one focused on education, craftsmanship, and long-term comfort instead of fast sales.

We believe homeowners deserve clarity, honesty, and solutions that actually work — not guesswork and pressure.

Our Mitsubishi Partnership

Elite Diamond Contractor & Diamond Technician Status (Top 1% Companies Nationwide)

  • Built on Craft, Integrity, and Real New Hampshire Values
  • Founded in 2007, Custom Climates was built around a simple belief: HVAC should be done correctly, honestly, and without pressure.
  • Growth through referrals, repeat customers, and reputation — not aggressive sales.
  • Mission: Deliver comfort systems that work better, last longer, and create confidence.

What This Means for You: Installs to exact factory specs, maximum efficiency, full warranty protection.

Mitsubishi Elite Diamond Contractor NH

operating principles – our values in action

Precision Over Speed

Factory-trained Diamond Elite technicians deliver exact installs — not rushed jobs.

Education Over Pressure

Transparent pricing, no high-pressure sales — we explain before we recommend.

Craftsmanship Over Convenience

Every install is done for durability, efficiency, and long-term comfort.

Long-Term Comfort Over Short-Term Fixes

Solutions designed to perform for years, not quick patches.

The People Behind Your Comfort

Jonathon Burbank

Owner

Jonathon has worked in HVAC for 25 years and has owned Custom Climates since 2007. He oversees marketing, finances, and long-term planning while supporting system design and company direction. He enjoys solving complex comfort and efficiency challenges and helping the team deliver thoughtful, well-designed solutions for every customer.

Wesley Burbank

Operations Manager / Installer / Design Technician

Wesley keeps daily operations moving across sales, service, and installations while leading installs and system design visits. With seven years in the trade and Mitsubishi Diamond Elite Technician certification, he’s known for reliability, strong communication, and careful attention to detail from first visit to final startup.

Phil Demeritt

Lead Service Technician

Phil brings more than 50 years of HVAC experience and leads most maintenance and repair work while mentoring new technicians. A former trade school instructor, he has completed training with major manufacturers, including Mitsubishi’s Train-the-Trainer program. Customers appreciate how clearly he explains systems and his ability to solve tough problems quickly.

Leah Werner

Service Technician Apprentice

Leah works alongside the service team learning to maintain and repair a wide range of HVAC systems. She has completed college coursework toward her gas license and holds her EPA and oil certifications. Known for her strong work ethic and positive attitude, she enjoys learning and taking on new challenges in the field.

Eli Paquette

Installation Apprentice

Eli supports installations while training to become a lead installer. He attended trade school for mini-split and conventional AC installation and holds his EPA certification. He’s hardworking, curious, and focused on building strong skills in the trade.

Raimee Rattee

Office Manager / Assistant

Raimee manages scheduling, customer communication, and day-to-day office operations. With previous experience as an office manager and supervisor, she brings strong organization, payroll and administrative experience, and a customer-first mindset to the team. She keeps the schedule moving, supports the field crew, and makes sure customers always know what to expect.

MITSUBISHI PARTNERSHIP – CUSTOMER BENEFIT FOCUSED

  • 12+ years Mitsubishi-certified
  • 2,000+ systems installed
  • Factory technical certification
  • Extended warranty eligibility
  • Priority manufacturer support

Homeowner Benefits: Proper sizing, precision commissioning, quiet operation, maximum efficiency, long-term reliability

Certifications & Affiliations

These certifications represent ongoing factory training, technical verification, and accountability — ensuring every installation and service call meets the highest professional standards.

Join Our Team

We believe great service starts with great people. That’s why we invest heavily in training, factory certification, and long-term career development.

Growing Fast – Diamond Elite Technicians Needed. Mitsubishi factory training provided. Competitive pay + benefits.

Ready to Experience the Custom Climates Difference?
Expert design. Precision installation. Trusted service.

Ready to Experience the Custom Climates Difference?

Expert design. Precision installation. Trusted service.