We treat every customer like a neighbor, not just a number.
Nearly three decades of honest, dependable service to Lancaster County families and businesses.
Heating and cooling emergencies don’t follow a schedule — and neither do we. Our team is here when you need us most.
From gas and oil to steam, our team brings deep boiler expertise to every install, repair, and tune-up.
Why Choose Us
J&G Heating & Air Conditioning for Your Home Comfort Needs in Lancaster County, PA
When your heating or cooling system needs attention, you deserve a team that treats your home with the same care they’d give their own. At J&G Heating & Air Conditioning, we’ve been doing exactly that since 1997 — delivering honest, dependable HVAC service to families and businesses throughout Lancaster County, PA.
As a family-owned and operated company based right here in Conestoga, we understand the unique comfort challenges that come with Pennsylvania’s seasons. From the sweltering humidity of summer to the bone-chilling cold of winter, our NATE-certified technicians have the training, experience, and dedication to keep your home comfortable year-round.
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Our Services
Comprehensive Heating & Cooling Services in Conestoga, PA, for Homes and Businesses
From boiler installations and air conditioning repairs to geothermal systems and indoor air quality solutions, J&G Heating & Air Conditioning delivers the full spectrum of home comfort services. Our NATE-certified technicians bring 29 years of hands-on experience to every job — whether it’s a straightforward furnace tune-up or a complex commercial HVAC project. We service all major brands and specialize in finding the right solution for your home, your budget, and your comfort goals.
We Service all of the Industries Top Equipment and Install these Trusted Brands
Our Customer Reviews
Flexible Financing
Make Your Comfort Upgrade Affordable with Flexible Financing Options
We believe every homeowner in Lancaster County deserves access to reliable heating and cooling — regardless of budget. That’s why J&G Heating & Air Conditioning partners with trusted financing providers to offer flexible payment plans that fit your financial situation. Whether you’re replacing an aging boiler, upgrading to a high-efficiency air conditioning system, installing a high-efficiency heat pump, or investing in a new generator system, financing allows you to enjoy the comfort you need today while spreading payments over time.
Our team will walk you through every available option during your free estimate, helping you understand monthly payment amounts, interest rates, and approval requirements. We want the financial side of your project to feel just as comfortable as the temperature in your home.
What Are the Benefits of Financing?
Keep your emergency fund intact while still investing in a high-quality HVAC system. Financing lets you upgrade your comfort without depleting your savings account, giving you financial flexibility and peace of mind.
Don’t wait for your next paycheck or tax return. With financing in place, you can replace an aging system or upgrade today — and start enjoying reliable comfort right away.
Financing puts higher-efficiency equipment within reach. Better systems mean lower energy bills, longer equipment life, and more reliable comfort — benefits that pay off year after year.
Fixed monthly payments make it easy to budget for your project. No surprises, no hidden fees — just a clear path to comfort that fits your household’s finances.
Wells Fargo
As an authorized Wells Fargo financing partner, J&G Heating & Air Conditioning offers a range of credit options to help you manage the cost of your new heating or cooling system. With competitive rates and flexible terms, qualifying homeowners can enjoy convenient monthly payments that fit comfortably into their household budget.
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Through our partnership with PowerPay, we provide another trusted financing pathway for Lancaster County homeowners ready to upgrade their home comfort. PowerPay’s streamlined application process and flexible repayment plans make it easy to get started on your project without delay.
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GoodLeap offers flexible financing options and competitive rates, making it easy for homeowners to invest in high-efficiency heating, cooling, and generator systems. With a simple application process and a variety of repayment terms, upgrading your home comfort doesn’t have to mean a large upfront cost.
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Protect Your Comfort
Protect Your Comfort with Preventive Maintenance
When you join one of our maintenance programs, you’ll receive scheduled tune-ups performed by our NATE-certified technicians who know your system inside and out. We’ll clean critical components, check refrigerant levels, inspect electrical connections, test safety controls, and ensure everything is operating as it should.
Regular maintenance doesn’t just prevent breakdowns — it also helps lower your energy bills and protects your manufacturer warranty coverage. It’s one of the smartest investments you can make in your home’s comfort and your family’s safety.
Our Maintenance Plans Include:
Receive professional inspections and tune-ups for your heating and cooling systems each year, ensuring your equipment is ready before the season’s first extreme temperature day.
As a maintenance plan member, your service requests jump to the front of the line — so you spend less time waiting on a fix and more time enjoying a comfortable home.
A clean, well-tuned system uses less energy to deliver the same comfort. Members typically see lower monthly utility bills and a smaller carbon footprint year-round.
Catching small issues early prevents major breakdowns and extends the life of your HVAC equipment — protecting both your comfort and your investment.
Family Owned & Operated
Your Neighbors in Comfort — The J&G Heating & Air Conditioning Story
Our team of NATE-certified technicians brings nearly three decades of hands-on experience to every project, from boiler installations and furnace repairs to air conditioning replacements and generator installation. We’ve earned our reputation by doing things the right way — not the fastest or cheapest way, but the way that keeps your system running safely and efficiently for years to come.
Whether you need emergency service or a second opinion on a system replacement, J&G Heating & Air Conditioning is here. We’re not just your HVAC company — we’re your neighbors, and we take that responsibility seriously.
What Sets Us Apart?
No matter what brand of heating, cooling, or boiler system you have installed, our technicians have the training and experience to service it. From Heil and Fujitsu to Burnham and Bradford White, we work on all major equipment manufacturers — so you never need to call around for a specialist.
Three decades in, J&G Heating & Air Conditioning is still run by the same family that started it — and you’ll feel that difference from the first phone call to the final handshake.
When a heating or cooling system fails in the middle of a Pennsylvania winter or summer heat wave, you can’t wait until morning. Emergency service is available Monday–Sunday, 6:00 AM–10:00 PM (after-hours fee applies) so your home stays safe and comfortable.
You shouldn’t have to choose between comfort and your budget. We deliver fair, transparent pricing and partner with trusted lenders so a new HVAC system fits your finances.
Every technician on our team is NATE-certified — the gold standard for HVAC professionals — so you know the people in your home have the training and credentials to do the job right the first time.
Gas, oil, or steam — boilers are one of our deepest specialties. We install, service, and repair leading brands like Burnham and New Yorker for residential and commercial customers across Lancaster County.
Our Service Areas
Proudly Serving Homeowners and Businesses Across Conestoga and Lancaster County, PA
From our home base in Conestoga, J&G Heating & Air Conditioning delivers reliable heating, cooling, and boiler services to communities throughout Lancaster County. Whether you’re in downtown Lancaster, the rolling farmlands near Lititz, or anywhere along the Route 30 corridor, our team is ready to help with fast response times and the expert service you deserve.
Serving Communities across Southeastern Pennsylvania:
Located right here in our hometown, our neighbors enjoy the fastest response times.
Trusted heating, cooling, and boiler service for downtown Lancaster and surrounding neighborhoods. More about Lancaster HVAC service →
Reliable HVAC installation, repair, and maintenance for Denver, PA homeowners and businesses. More about Denver HVAC service →
Serving Ephrata with full-service heating, cooling, and water heater work year-round. More about Ephrata HVAC service →
Comfort solutions for Manheim homes and businesses, from boiler service to high-efficiency AC.
Expert HVAC and boiler service for York homeowners just over the river.
Bringing nearly three decades of HVAC expertise to Harrisburg homes and businesses.
Comfort you can count on in Columbia, PA — we’re a quick drive away. More about Columbia HVAC service →
Quality heating, cooling, and boiler installation and repair for Hershey residents.
Honest, neighborly HVAC service for Red Lion homes and small businesses.
Comprehensive HVAC and boiler care for Mountville residents.
Full-service HVAC, water heater, and boiler work for Delta, PA households.
Heating, cooling, and indoor air quality service for Lititz homeowners. More about Lititz HVAC service →
Trusted by Palmyra families for boiler, furnace, and AC installation and repair.
NATE-certified HVAC service in Landisville — same neighbors, same standards.
Reliable comfort solutions for Nottingham homeowners along the Maryland line.
Honest pricing and skilled HVAC work for Shrewsbury homes and small businesses.
FAQs & More
Frequently Asked Questions
We recommend scheduling professional maintenance at least twice a year — once in the spring for your cooling system and once in the fall for your heating system. Regular tune-ups help prevent unexpected breakdowns, improve energy efficiency, and extend the life of your equipment.
Common warning signs include unusual noises, uneven heating throughout your home, frequent cycling on and off, visible leaks, and rising energy bills. If your boiler is more than 15–20 years old and requiring frequent repairs, a replacement may be the more cost-effective option.
Yes. Emergency service is available Monday–Sunday, 6:00 AM–10:00 PM (an after-hours fee applies outside regular business hours). Call 717-872-6994 during emergency hours and we’ll dispatch a technician.
We’re proud to be a Heil Elite Dealer and Fujitsu Elite Contractor, and we also install and service equipment from Burnham, New Yorker, Bradford White, Generac, and many other leading manufacturers. Our team services all makes and models.
Heat pumps are an excellent option for many Lancaster County homes because they provide both heating and cooling from a single system. Our technicians will evaluate your home’s size, insulation, ductwork, and energy goals to determine if a ducted heat pump or ductless mini-split is the right fit.
We partner with Wells Fargo, PowerPay, and GoodLeap to offer flexible financing plans with competitive rates and convenient monthly payments. Our team will help you explore your options during your free estimate so you can make the best decision for your budget.
Ductless mini-split systems are ideal for homes without existing ductwork, room additions, converted garages, and spaces where traditional HVAC can’t reach. As a Fujitsu Elite Contractor, we offer premium mini-split solutions with exceptional energy efficiency and quiet operation.
We service and install gas, oil, and steam boilers for both residential and commercial applications. Our team works with leading brands including Burnham and New Yorker, and we have the expertise to handle everything from routine maintenance to complete system replacements.
Most residential HVAC installations can be completed in one to two days, depending on the complexity of the project. We’ll provide a detailed timeline during your free estimate and work efficiently to minimize disruption to your daily routine.
Absolutely. We provide comprehensive commercial HVAC services including rooftop units up to 25 tons, commercial boilers, VRF systems, and chillers. From office buildings and retail spaces to churches and industrial facilities, our team has the experience to handle projects of any scale.
Geothermal systems use the earth’s consistent underground temperature to heat and cool your home with remarkable energy efficiency. While the upfront investment is higher than traditional HVAC, geothermal systems offer significantly lower operating costs and can last 25 years or more.
We offer a range of indoor air quality solutions including advanced air filtration systems from AprilAire, UV light purification from Premier One, and whole-home humidification and dehumidification. Our technicians will assess your home’s air quality needs and recommend the right combination of products.
Tax credits, manufacturer rebates, and utility incentives may be available for qualifying upgrades. Programs change throughout the year, so we’ll discuss what currently applies to your project at the time of service.
Our maintenance plans include scheduled seasonal tune-ups, priority scheduling, repair discounts, and peace of mind knowing your system is professionally maintained. Most homeowners find that the cost of a maintenance plan is far less than the cost of a single emergency repair.
Yes. We install, repair, and maintain both tankless and tank water heaters from Bradford White, including power-vented and chimney-vented models. Whether you need a new installation or a repair on your existing unit, our team has you covered.
We provide heating, cooling, and boiler services throughout Lancaster County, PA, including Lancaster, Conestoga, Denver, Ephrata, Columbia, Lititz, Manheim, Red Lion, Landisville, Nottingham, and Mountville. Contact us to confirm service availability in your area.
Let’s Get Started
Ready to Experience the J&G Difference? Let’s Talk About Your Comfort.
Whether you’re facing an urgent heating repair, planning a complete system upgrade, or simply looking for a dependable HVAC partner you can count on for years to come, J&G Heating & Air Conditioning is here to help. Our family-owned team has been serving Lancaster County since 1997, and we bring that same dedication and personal attention to every project we take on.
We don’t believe in high-pressure sales or one-size-fits-all solutions. Instead, we listen to your concerns, evaluate your home’s unique needs, and recommend the option that makes the most sense for your comfort and your budget. From the first phone call to the final follow-up, you’ll experience the kind of service that’s made us one of the most trusted names in Lancaster County heating, cooling, and boiler services.
Your Comfort Is Our Family’s Legacy
Boiler Services
From routine maintenance and emergency repairs to complete system replacements, our boiler specialists bring nearly three decades of experience to every gas, oil, and steam boiler project. We work with leading brands like Burnham and New Yorker to deliver reliable warmth you can count on all winter long.
29+ Years of Experience
Since 1997, we’ve built our reputation one job at a time. Our nearly three decades of hands-on experience means we’ve seen it all — and we know how to fix it right the first time.
Est. 1997
From day one, J&G Heating & Air Conditioning has been committed to honest service, quality workmanship, and treating every customer like family. That commitment has never wavered.
Family-Owned Values
We’re not a franchise or a corporate chain. We’re a local family business that takes personal pride in every job we complete and every relationship we build in this community.
Emergency Service
Heating and cooling emergencies happen at the worst times. Emergency service is available Monday–Sunday, 6:00 AM–10:00 PM (after-hours fee applies outside regular business hours), so our team is here when you need us most.
Maintenance Plans
Our preventive maintenance programs keep your system running efficiently, reduce unexpected repair costs, and help extend the life of your heating and cooling equipment.
Flexible Financing
We partner with Wells Fargo, PowerPay, and GoodLeap to offer financing options that make system upgrades and replacements accessible to every homeowner.
Commercial Expertise
From rooftop units and commercial boilers to VRF systems, we deliver the same quality and reliability to businesses that we bring to homes across Lancaster County.
Backup Power Protection
Our licensed professionals handle Generac whole home generator installation, repair, and maintenance — so your family stays safe and comfortable during power outages.
