HVAC, Plumbing & Electrical
in Deerfield, NH
A.J. LeBlanc Heating serves Deerfield and Southern NH, family-owned since 1928. Licensed technicians, honest estimates, and 24/7 emergency service.
Complete Home Services
for Deerfield Homeowners
Our licensed heating, cooling, plumbing, and electrical teams work together under one roof. Homeowners get one company to coordinate the job and one clear point of contact from start to finish.
Heating
Furnace, boiler, and heat pump installation and repair in Deerfield. Annual maintenance and 24/7 emergency response.
Heating ServicesAir Conditioning
Central A/C and ductless mini split installation and service in Deerfield. We've installed thousands of ductless systems across Southern NH.
A/C ServicesPlumbing
Water heaters, drains, fixtures, water-supply piping, and residential plumbing repairs for Deerfield homes.
Plumbing ServicesElectrical
Panel upgrades, generators, EV chargers, and electrical repair for Deerfield homeowners. Licensed NH electricians.
Electrical Services
We Know
Deerfield Homes.
Deerfield is a rural town split across four villages: Deerfield, Deerfield Center, Deerfield Parade, and South Deerfield. Houses sit on big wooded lots. Parts of Pawtuckaway and Bear Brook state parks reach the town's edges and keep sections of it in untouched forest, and homes are set well back from the road.
Housing: About nine in ten homes in Deerfield are single-family houses on big lots, and the median build year is around 1985. Most of the town was built between the 1970s and the 2000s. Antique farmhouses and New Englanders near the historic districts sit next to ranches and colonials built on subdivided land.
Furnaces, Boilers &
Heat Pumps
Heating in Deerfield
Most homes in Deerfield run on oil. No natural gas line reaches town, so propane is the other common delivered heating fuel, and plenty of homeowners stay on oil. Oil boilers and furnaces keep us busy here with service, tune-ups, and full replacements. Many of those systems have run for decades and are ready for replacement. The older farmhouses usually have an oil boiler feeding baseboard or radiators. When that boiler reaches replacement age, homeowners weigh a new oil unit against switching to propane or going with a cold-climate heat pump.
Heating Services We Provide
Deerfield homeowners can call us for heating installation, repairs, and annual service. We also replace complete heating systems and respond quickly when something goes wrong.
- Gas & Oil Furnace Installation
- Boiler Installation & Repair
- Heat Pump Installation
- Water Heater Replacement
- Annual Heating Maintenance
- 24/7 Emergency Heating Service
Air Conditioning &
Mini Split Installation
Cooling in Deerfield
Central air was never standard in Deerfield homes, so most cooling goes in as ductless mini splits. Mini splits cool in summer, and they let homeowners run the heat pump instead of the oil burner through spring and fall. Running the heat pump during milder weather can reduce oil use. Homes that already have ductwork from an oil or propane furnace can usually add a complete central A/C system using that existing ductwork instead.
Cooling Services We Provide
We install, repair, and service all types of cooling equipment in Deerfield, including central air, heat pumps, and ductless mini splits. With thousands of ductless installations completed across Southern NH, our team has extensive experience. We respond quickly when you need a repair or replacement.
- Central A/C Installation
- Ductless Mini Split Systems
- Heat Pump Installation
- A/C Repair & Tune-Up
- Indoor Air Quality
Filtration, Softeners
& Testing
Water Treatment in Deerfield
Deerfield relies mainly on private wells, with several smaller community systems. The town was included in a broader state study of arsenic and uranium, but the published results were pooled and do not establish a condition throughout Deerfield. They are a good reason to test, not a reason to assume.
If arsenic is confirmed, treatment may include under-sink reverse osmosis or whole-house arsenic filtration. Uranium needs a treatment selected for the measured uranium result and verified for that contaminant. Other laboratory results may point to sediment filtration, iron or manganese filtration, a softener, sulfur-odor treatment, or whole-house ultraviolet treatment for confirmed bacteria.
When a laboratory result confirms radon in well water, we can share contact information for an independent mitigation company. Community-system customers should begin with the water-quality report for their supplier.
Water Treatment Services We Provide
Our team installs and services water-treatment equipment for Deerfield homes. We use independent laboratory results for private wells and the utility report and condition at the tap for public-water homes.
- Well Water Filtration
- Water Softeners
- Iron & Manganese Removal
- Reverse Osmosis Drinking Water
- UV Purification
- Water Sampling & Independent Laboratory Testing
Water Heaters, Drains
& Fixtures
Plumbing in Deerfield
Deerfield's private wells make laboratory testing useful when staining, scale, sediment, or pressure affects the entire home. Most calls still involve ordinary household plumbing, including dripping faucets, running toilets, worn valves, water heaters, supply piping, and slow or clogged drains. When low pressure affects multiple fixtures, we inspect the well tank, pressure switch, and related controls.
Fixture-specific problems remain focused on the plumbing inside the home.
Plumbing Services We Provide
From everyday plumbing repairs to water-heater and well-tank service, we help homeowners throughout Deerfield. We also service pressure switches and related well-system controls.
- Water Heater Installation
- Well Tanks, Pressure Switches & Controls
- Drain Cleaning
- Faucet & Fixture Installation
- Household Water-Supply & Drain Piping
- Repairs & Service
Panels, Generators
& EV Chargers
Electrical in Deerfield
The company you already trust for heating and cooling in Deerfield can handle your electrical work too. Our electrical work is completed by licensed New Hampshire electricians.
Electrical Services We Provide
Call us for a panel upgrade, standby generator, or new EV charger. We respond quickly and make sure the work is completed to code.
- Electrical Panel Upgrades
- Standby Generator Installation
- EV Charger Installation
- Lighting, Outlets & Switches
- Electrical Repair & Service
Local to Deerfield.
Trusted Since 1928.
We're in all four Deerfield villages regularly, from the Center and Parade down to South Deerfield. Most calls are oil boiler and furnace service, mini split and heat-pump installs, generator work, and the plumbing and electrical that come with older rural homes on wells and long driveways. We plan each visit and arrive prepared for the work. A.J. LeBlanc has been family-owned since 1928, and we cover Deerfield and neighboring towns like Candia, Raymond, Northwood, and Epsom.
Based in Bedford, about 30 minutes from Deerfield
Our shop is on South River Road in Bedford. We know the roads and we respond quickly.
Licensed, Insured & Background-Checked
Every HVAC technician is EPA certified and NH gas-licensed. Our plumbers and electricians are NH master or journeyman licensed in their trade. A.J. LeBlanc Heating is ACCA QA Certified.
Not Commission-Based
Our technicians are not paid sales commission. Their recommendations stay focused on what the home needs.
24/7 Emergency Response
No heat at 2am? We answer the phone every day of the year, including holidays.
What Southern NH
Homeowners Say
"All the techs that have come to my house have been courteous they explain the process of what they are doing and everything is neat and clean when they are finished."
"The technician arrived on time and was excellent."
"Very professional regarding service and installation. Left job site immaculate."
HVAC, Plumbing & Water FAQ
for Deerfield, NH
Do you service Deerfield, NH?
Yes. Deerfield is one of our core service areas. We provide heating, air conditioning, plumbing, and electrical services throughout Deerfield and the surrounding Rockingham County area. Call 603-623-0412 for a free estimate.
How quickly can you respond in Deerfield?
Our Bedford headquarters is about 30 minutes from Deerfield. We typically schedule service within 1-2 business days, with same-day availability for emergencies. For urgent heating or cooling issues, call us directly at 603-623-0412.
Do you offer emergency service in Deerfield?
Yes. We provide 24/7 emergency service in Deerfield. Call 603-623-0412 any time, day or night, including weekends and holidays.
Are there heating or cooling rebates available in Deerfield?
Deerfield homeowners may qualify for NHSaves rebates through Eversource, Liberty Utilities, New Hampshire Electric Cooperative, or Unitil. Additional New England Heat Pump Accelerator incentives may apply to qualifying equipment. Program rules and funding can change, so we confirm the current options when preparing the estimate.
Do you handle both HVAC and plumbing?
Yes. We handle heating, cooling, plumbing, and electrical all under one roof. That means one call, one relationship, and one company familiar with your whole home. No coordinating between multiple vendors or schedules.
What heating systems are common in Deerfield?
Heating systems vary from one Deerfield home to another. We service boilers, furnaces, heat pumps, and other common systems. After inspecting the home, we explain the repair or replacement options clearly.
Do I need water treatment in Deerfield?
It depends on your water source and your goals. For a private well, we collect a sample and send it to an independent laboratory. We use the results to recommend treatment only when the water calls for it. For public water, we review the utility report and investigate the condition at the tap before recommending additional equipment.
What water treatment systems do you install in Deerfield?
We install water softeners, iron and manganese filters, sediment filters, activated-carbon filters, whole-house ultraviolet systems, arsenic-treatment systems, and under-sink reverse osmosis. Equipment is selected and sized from independent laboratory results, the public-water report, and the homeowner's specific goal. For radon in well water, we can provide contact information for an independent mitigation company.
What plumbing services do you offer in Deerfield?
We handle water heaters, drain cleaning, faucet and fixture installation, leak and pipe repair, shutoff valves, and water-supply and drain piping throughout the home. If the home uses a private well, we also service the well tank, pressure switch, and related controls. We complete selected exterior piping as well, including irrigation and accessory-dwelling-unit connections.
Do you install and replace water heaters in Deerfield?
Yes. We install and replace natural gas, propane, oil, and electric water heaters, plus heat-pump water heaters. We help you choose the right size and fuel for your home and install it to code.
Also Serving Towns Near Deerfield
Get in Touch
Fill out the form and we'll get back to you. Usually the same business day. For emergencies, call us directly.
Contact Information
Mon-Fri: 8am-4:30pm
Evenings & Weekends: Emergency Service
24/7 Emergency Service
No heat? No hot water? Call 603-623-0412 any time.