Engineered Comfort.
Guaranteed for Life!
Premium new HVAC installation backed by Lifetime Warranties, upfront flat-rate pricing, and over 150 combined years of experience. We don’t swap boxes — we engineer comfort!
- Lifetime Warranties
- 100% Satisfaction Guarantee
- Upfront Flat-Rate Pricing
- Scientific Airflow Analysis & Precision Balancing
- 0% Financing Available
- White-Glove Installation Process
HVAC Performance Assessments
Now Free for a Limited Time Only!
Avoid the regret of high-pressure, “box swap” HVAC purchases! Let RJM’s system replacement experts engineer and explain data-driven solutions to get the most out of your new investment.
- Lifetime WarrantiesFor the ultimate peace-of-mind for as long as you own your home
- Verified PerformanceStatic pressure + CFM measured on every install
- Upfront Flat-Rate PricingPrice agreed before any tool is lifted
- Daikin Pro DealerPremium equipment, factory-trained installers
Heating & cooling done the right way
Whether you need a full system replacement, an emergency repair, or annual tune-ups — we install and service it like a commercial job, every time.
New HVAC Installation
Engineered replacement systems with verified performance.
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Cooling
AC installation, replacement, and service for any home.
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Heating
Furnaces, heat pumps, boilers — installed to perform.
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Maintenance & Service
Tune-ups and service to keep your system running like new.
Learn moreThe highest standards. No exceptions.
Half of these are about the experience inside your home. The other half are about the engineering inside your system. We hold both to the same standard.
Real people who treat your home like family.
Clear updates, honest answers, no jargon.
Floors protected. Jobsite cleaner than we found it.
If something’s off, we fix it. Always.
Root-cause fixes, not symptom swaps.
Even comfort — room-to-room, floor-to-floor.
Same-day calls for no-heat and no-AC.
For the ultimate peace-of-mind for as long as you own the home.
* With active RJM ProCare Membership. Performance and Signature installation packages.
Worry-Free Lifetime Warranties!
Most contractors warranty their work for a year — maybe two. With our Lifetime Warranties, we back our work for as long as you own your home.
- Lifetime coverageFor as long as you own the home, with active RJM ProCare membership
- Workmanship guaranteedInstallation failures covered
- White-glove serviceClean install, full walkthrough
- Verified performanceStatic pressure, CFM, charge
Choose the right package for your home
Three levels of installation — from a reliable replacement to a fully engineered system with verified airflow and cleaner indoor air. Compare what's included and pick the package that fits.
HVAC system replacements Compare packages High-quality options to suit any lifestyle. | Tier 1 ESSENTIAL Comfort System Up To 15 SEER2 Efficiency Rating* | Most Popular Tier 2 PERFORMANCE Comfort System Up To 17 SEER2 Efficiency Rating* | Tier 3 SIGNATURE Comfort System Up To 19 SEER2 Efficiency Rating* |
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Assurances & Peace-of-Mind | |||
100% Satisfaction Guarantee Our work isn't complete until we know our customers are fully satisfied! | |||
Professionalism at its Best Consistently courteous, friendly, informative & professional — with every member of our team, every time. | |||
Free 1st Year — RJM 'Signature' ProCare Membership Maintenance, tune-ups, priority scheduling, waived service call fees & discounts. Covers Heating, Cooling AND Plumbing! | |||
12-Year Manufacturer Warranty Daikin's industry-leading warranty covers 12 years of defective and failed parts — exceeding most other manufacturers. | |||
Worry-Free RJM Lifetime Warranty Parts AND labor, for life. Simply maintain your system through our ProCare Membership and you're covered! | |||
Quality Equipment & Professional Installers | |||
Top-Notch Professional Installation A quality installation is often more important than equipment alone. RJM is extremely selective and spares no expense on our installation teams. | |||
Home Protection & Cleanup We treat your home as our own — diligently protecting everything in our path and leaving it just as clean as we found it. | |||
White-Glove Installation with 'Day 2 Run-Through' A comprehensive second-day visit to walk through the full system, answer every question, and ensure total confidence. | |||
Hybrid or Low Ambient Heat Pump Daikin's Low Ambient Heat Pumps provide efficient heating even during the coldest days — unlike standard heat pumps rated for mild conditions only. | |||
Detailed Assessments & Engineered Solutions | |||
Load Calculations & Static Pressure Analysis Replacing HVAC should never be "swapping boxes." We measure baseline data and set clear objectives for improving performance with your new system. | |||
Professional Duct Connection & Sealing Proper duct connection and sealing can be the difference between a system performing no better than the old one — or better than you imagined possible. | |||
Scientific Airflow Analysis & Precision Balancing There's a science to moving air through your home for balanced room-to-room temperatures. We know the formulas — and we engineer the solutions. | |||
Indoor Air Quality & System Longevity | |||
Humidifier — Aprilaire 700 Balanced humidity protects wood floors, reduces airborne dust, prevents drywall nail pops, and can extend the life of your HVAC system. | |||
Advanced Air Filtration System RJM's engineered filtration achieves the best of both worlds — cleaner air AND optimal airflow, without sacrificing one for the other. | |||
Ductwork Connection Performance Upgrades Maximizing static pressure and airflow often requires upgrading return and supply connections directly at the system. We identify the problems and implement the solutions. | |||
Ultraviolet (UV) Air Purification System High-quality UV kills pathogens, prevents mold, relieves allergies, ionizes air to improve filtration, and helps maintain peak system performance over time. | |||
| May vary based on system type, home size, and site conditions. All packages available for air conditioning, heat pumps, gas furnaces, and air handlers. *Efficiency ratings may vary depending on application. | Schedule My Assessment | Schedule My Assessment | Schedule My Assessment |
Final scope confirmed during your HVAC Performance Assessment. All packages available for air conditioning systems, heat pumps, gas furnaces, and air handler applications.
We don’t swap boxes. We engineer comfort.
Most HVAC installs skip the steps that actually make a system perform. We measure, verify, and document — the same way a commercial job demands. That’s why we can back it for life.
Load consideration and matched components — no oversized or undersized installs.
Duct transitions corrected to reduce air leakage and improve real-world airflow.
We measure static pressure, CFM, temperature split, and refrigerant charge — and document it.
Floors protected, jobsite cleaned, full walkthrough and education at the end.
Day 2 matters as much as Day 1.
Most HVAC contractors sell on speed. “One-day install.” Equipment in, on the truck by 5, paid by Friday.
That’s where the average install ends. Ours doesn’t. The system might turn on Day 1, but Day 2 is when we measure the system under real load, balance airflow room-by-room, verify static pressure, and confirm the unit performs the way it was engineered to.
We don’t just swap and move on. We test and adjust — same way commercial projects demand. That’s the difference between “installed” and commercial-grade.
- Static pressure verifiedMeasured, not assumed.
- Room-by-room balancingEven comfort across every floor.
- Performance documentedYou keep the report.
- Backed by Lifetime WarrantiesBecause we install to this standard.
See what others miss — before you buy.
Every HVAC Performance Assessment includes a baseline static-pressure test and a heat-load calculation using Amply’s lidar scanning software. You see the data most HVAC sales reps never measure — what your current system is actually doing, and what your home actually needs.
5-Star Reviewed
RJM replaced our entire system after a competitor told us we needed a $20k repair. The crew was on time, the price was exactly what they quoted, and our house is finally comfortable on both floors.
Three estimates in, RJM was the only one who actually measured static pressure and explained why airflow was the issue. Honest, professional, and the lifetime warranties sealed it.
We had a unit fail in 95-degree heat. Called RJM at 8 AM and they had a tech out by lunch. He fixed it the same day and didn’t try to oversell us a new system.
Signature package was worth every penny. The UV purification and electronic air cleaner made an immediate difference — and the techs walked us through every measurement before they left.
Other companies showed up in flip-flops. RJM showed up like commercial guys — protected the floors, cleaned up everything, and the install looks like a textbook job.
Up-front pricing was the difference. No bait-and-switch, no “surprise” trip fees. Got financing approved in minutes and they had us cool again within a week.
Comfortable today. Pay monthly.
Approved in minutes. Flexible monthly plans so you can install the right system now — and spread the investment across a payment plan that fits your budget.
Flexible, fast, and friendly.
- Quick online approval — decision in minutes
- Multiple term lengths from 12 to 120 months
- No prepayment penalty
- Soft credit check — won't affect your score
Proudly serving Chester County & beyond
Based in West Chester, PA — we serve homeowners across Chester County and into southern PA and parts of NJ. Same-week appointments throughout our coverage area.
- West Chester, PA
- Exton, PA
- Downingtown, PA
- Malvern, PA
- Chadds Ford, PA
- Kennett Square, PA
- Coatesville, PA
- Phoenixville, PA
- Berwyn, PA
- Paoli, PA
- Glen Mills, PA
- Avondale, PA
Everything you want to know before you book
Ready for a system you’ll never regret?
Performance Assessment. Upfront pricing. Lifetime warranties. We’ll show you exactly what your home needs — and exactly what it costs.
Lock in your Performance Assessment
Tell us your ZIP and we'll do the rest.