Woburn, MA Homeowners Replace Oil Heat with High-Efficiency Heat Pump & Water Heater System

Why Replace Oil Heat with an Electric Heat Pump?

Many homeowners in Woburn, MA are making the switch from oil-fired heating to electric heat pumps for key reasons:

• Skyrocketing oil costs and unpredictable supply

• Massachusetts' push for decarbonization and electrification

• Availability of generous rebates and federal tax credits

• Desire for quieter, cleaner, more efficient heating & cooling

• Whole-home year-round comfort with one system

One Woburn homeowner recently partnered with Denommee Plumbing, HVAC & Electric to complete a full gas-to-electric conversion—including a new Mitsubishi ducted & ductless heat pump HVAC system and a Bradford White heat pump water heater.

Project Overview: Whole-Home Electrification in Woburn, MA

The goal:

• Eliminate outdated oil-fired hydronic heating

• Replace inefficient domestic water heating

• Improve home comfort and energy efficiency

• Qualify for Mass Save rebates and federal tax credits

Denommee designed a solution that included:

• A Mitsubishi 36,000 BTU Hyper Heat Multi-Zone Heat Pump System

• A Bradford White 50-gallon Heat Pump Water Heater

The project earned the homeowner:

• A $9,750 Mass Save rebate

• A $2,600 federal tax credit

Scope of Work: Mitsubishi Hyper Heat & Bradford White Systems

HVAC System: Mitsubishi 3.0 Ton, 2-Zone Mixed Ducted/Ductless Heat Pump

Outdoor Unit:

• Mitsubishi MXZ-SM36NLHZ

• Variable output inverter, Hyper Heat model

• Maintains 42,000 BTU of heating at 5°F outdoor temperatures

Indoor Units:

• SVZ-AP24NL Ducted Air Handler (attic) with 5kW backup heat strip

• MSZ-FS09NL Wall-Mounted Ductless Unit (basement)

• PAC-LMA30BC Branch Box for multi-zone distribution

Controls:

• (2) MHK2 thermostats for precise zoning

• (2) PAC-USWHS002-WF-2 Kumo Cloud Wi-Fi adapters for remote control

Performance Highlights:

• SEER2: 20.35 | HSPF2: 11.25

• Cooling capacity: 36,000 BTU @ 95°F

• Consistent heating output even at 5°F

HVAC Installation Details:

• Removed oil-fired hydronic heating system

• Installed outdoor condenser on raised, sound-absorbing pad

• Installed ducted air handler in attic with new galvanized ductwork (5-6 supplies, 4 returns)

• Installed ductless indoor head in finished basement

• Housed exterior line sets in white line-hide casing

• Nitrogen pressure testing & refrigerant vacuuming to <500 microns

• R-410A refrigerant charge to manufacturer specifications

• Low voltage wiring & control integration

• Full system commissioning & warranty registration

Water Heating Solution: Bradford White AeroTherm Heat Pump Water Heater

Model:

• RE2H50S10-1NCTT | AeroTherm Hybrid Electric

Highlights:

• 50-gallon capacity

• Efficient hybrid operation with heat pump technology

• Quiet operation, ENERGY STAR® certified

• Eligible for Mass Save rebate & federal tax credit

Installation Details:

• Removed and disposed of old water heater

• Connected domestic hot & cold water piping

• Pressurized and tested for leaks

• Rewired for proper electrical load

• Start-up and commissioning per manufacturer specs

Electrical Work:

• Installed dedicated breakers and feeds for new heat pump HVAC system

• Added backup heat feed for attic air handler

• Rewired heat pump water heater connections

• Added service outlets and switched lighting where needed

• All work completed to current code requirements

The Results: Efficiency, Comfort & Substantial Savings

Thanks to Denommee’s expert design and installation:

• The homeowner now enjoys quiet, even heating and cooling

• The Hyper Heat system maintains comfort during harsh New England winters

• Domestic hot water is efficiently provided by the AeroTherm unit

• Utility costs are significantly reduced

• Environmental impact is minimized with all-electric systems

• They secured $9,750 in Mass Save rebates and a $2,600 federal tax credit

Why This Home Benefited from a Mixed Ducted/Ductless Approach

For this 1,940 sq. ft. home, Denommee recommended a mixed ducted and ductless heat pump system to:

• Use ducted air handlers for main living spaces via attic ductwork

• Provide efficient zoned heating and cooling

• Add a ductless wall-mounted unit in the basement, avoiding costly ductwork in tight spaces

• Allow future expansion with room for an additional indoor unit

This approach provided maximum flexibility, efficiency, and cost-effectiveness.

Denommee’s Value for Homeowners Considering HVAC Electrification

Choosing Denommee means working with a trusted, local expert offering:

✅ Mass Save Heat Pump Installer Network (HPIN) Certification

• Ensure maximum rebates and compliant installations

✅ Elite Mitsubishi Electric Diamond Contractor Status

• Factory-authorized installations, extended warranties, and advanced design expertise

✅ Bradford White Water Heater Expertise

• Direct access to AeroTherm products and warranty service

✅ In-House Electricians and Plumbers

• Complete coordination of HVAC, electrical, and plumbing scopes

• No need for third-party subcontractors

✅ Flat-Rate Pricing Transparency

• Know your costs upfront with scope-based pricing

• No “time and materials” surprises

✅ Peace of Mind Service Program Memberships

• Annual HVAC, plumbing, and electrical system assessments

• Priority scheduling, discounts, and proactive maintenance planning

Denommee’s Service Areas Include:

• Woburn, Burlington, Billerica, Chelmsford, Concord, Lexington

• Tewksbury, Groton, Westford, Tyngsborough, Winchester, Acton, Arlington

• Southern New Hampshire including Nashua, Hudson, Merrimack

Thinking About Upgrading from Oil Heat? Start with Denommee.

If you’re ready to eliminate oil heat, reduce your utility bills, and modernize your home’s HVAC and water heating systems, Denommee Plumbing, HVAC & Electric is here to help.

📱 Text “Heat Pump Quote” to 857-226-9140 to schedule your no-cost, no-pressure consultation today.