Dual-Fuel HVAC Upgrade in Acton, MA: Denommee Plumbing, HVAC & Electric Installs High-Efficiency Bosch Heat Pumps and Furnaces in 5,300 SF Home

A Dual-Fuel HVAC Solution for Year-Round Comfort and Efficiency

In Acton, MA, a homeowner with a spacious 5,300-square-foot, four-bedroom home built in 2006 turned to Denommee Plumbing, HVAC & Electric for a comprehensive HVAC upgrade. The home, previously heated with natural gas, needed a high-performance solution that offered greater efficiency, year-round comfort, and compatibility with evolving energy goals.

The result? A dual-fuel HVAC installation featuring two Bosch variable-capacity heat pump systems paired with high-efficiency 96% AFUE natural gas furnaces — seamlessly designed to optimize performance in every season.

This project not only modernized the HVAC system but also accessed major financial incentives through Mass Save and federal tax credits, thanks to Denommee’s trusted status as a Mass Save Heat Pump Installer Network (HPIN) contractor.

Why Dual-Fuel? Heat Pumps and Furnaces Working Together

In colder climates like New England, dual-fuel HVAC systems provide the best of both worlds. A cold-climate heat pump handles the majority of heating and cooling efficiently, while a gas furnace kicks in only during extreme winter conditions when heat pumps may become less efficient.

This strategy ensures:

• Lower energy bills

• Maximized use of renewable electricity

• Continued reliability during sub-zero cold snaps

• Access to valuable rebates for heat pump upgrades

By choosing a Bosch dual-fuel system, the homeowner significantly reduced reliance on fossil fuels while improving indoor comfort and future-proofing their HVAC system.

Upstairs HVAC System Installation

Furnace:

• Brand: Bosch

• Model: BGH96M060B3B

• BTU Output: 60,000 BTU

• Gas Valve: Two-Stage

• Blower Motor: ECM Motor (Energy-efficient)

• Configuration: Multi-position

Outdoor Unit – Heat Pump Condenser:

• Tonnage: 2 Ton

• Model: Bosch BOVD-36HDN1-M20G

• Type: Variable capacity, inverter-driven

Indoor AC Coil:

• Model: Bosch BMAC3036ANTD

• AHRI Certification #: 214053829

• SEER2: 17.5

• HSPF2: 9

Downstairs HVAC System Installation

Furnace:

• Brand: Bosch

• Model: BGH96M060B3B

• BTU Output: 80,000 BTU

• Gas Valve: Two-Stage

• Blower Motor: ECM Motor

• Configuration: Multi-position

Outdoor Unit – Heat Pump Condenser:

• Tonnage: 3 Ton

• Model: Bosch BOVD-36HDN1-M20G

• Type: Variable capacity, inverter-driven

Indoor AC Coil:

• Model: Bosch BMAC3036BNTD

• AHRI Certification #: 214053831

• SEER2: 17.5

• HSPF2: 9

Custom Installation Scope: Seamless, Code-Compliant Work

Denommee Plumbing, HVAC & Electric delivered a turnkey solution that included:

✔ Removal of Existing Equipment

Old HVAC equipment was safely removed and disposed of, and any debris related to the upgrade was thoroughly cleaned up.

✔ Ductwork Modifications

Our HVAC team adjusted existing ductwork as needed to fit the new Bosch systems and maximize airflow throughout the home.

✔ Advanced Venting Installation

To meet code and system performance requirements, Denommee installed:

• (2) new direct-vent flue/intake pipe assemblies

• (4) vertical snorkeled pipes through a central chase

• (2) low-profile exterior termination kits
  This custom venting package ($1,675) ensures safe, efficient operation for both furnaces.

✔ Refrigerant Line Work

Our technicians:

• Chemically flushed the existing line sets

• Conducted a nitrogen pressure test

• Charged both systems with R-410A refrigerant per manufacturer specifications

✔ System Startup, Testing, and Warranty Registration

Each system was:

• Fully started, tested, and commissioned

• Calibrated to meet manufacturer specifications

• Registered for full parts and labor warranty

Smart Thermostat Integration

To enhance comfort and control, Denommee installed:

• (2) Ecobee Smart Thermostat Pro units ($500 total) These smart thermostats offer:

• Zoned temperature control

• Wi-Fi app connectivity

• Voice control and automation features

• ENERGY STAR® certified performance

Financial Incentives Secured by Denommee’s HPIN Expertise

Thanks to Denommee’s active role as a Mass Save Heat Pump Installer Network contractor, this homeowner secured powerful financial benefits:

• $6,250 Mass Save Partial Home Heat Pump Rebate

• $2,000 Federal Heat Pump Tax Credit

• 0% Interest Mass Save HEAT Loan Financing

Denommee guided the homeowner through the entire incentive application process, including documentation, verification, and inspections — making the experience fast, easy, and stress-free.

Why Denommee Plumbing, HVAC & Electric?

Denommee is a local leader in high-efficiency HVAC installations across Massachusetts and southern New Hampshire. With a full in-house team of licensed HVAC technicians, plumbers, and electricians, we handle every aspect of your project — from permitting to commissioning — with professionalism and attention to detail.

When you work with Denommee, you get:

• Mass Save HPIN-approved status

• Licensed, insured, and background-checked technicians

• Complete rebate guidance and HEAT Loan assistance

• Seamless in-house electrical services

• Fast-track energy assessment coordination

• Exceptional service backed by 25+ years of experience

Serving Acton and Beyond

Denommee serves Acton, MA, and surrounding communities including Concord, Boxborough, Littleton, Westford, and other towns in Middlesex County. Whether you're replacing aging equipment or upgrading to a hybrid dual-fuel system, our team delivers energy-smart solutions tailored to your home.

Ready to Upgrade to a Dual-Fuel Heat Pump System?

If you’re looking to upgrade your home’s comfort and efficiency — and want to take advantage of today’s powerful incentives — contact Denommee Plumbing, HVAC & Electric today. Our team will help you assess your options, secure rebates, and install a high-efficiency HVAC system designed to perform for decades.

Call us or request a no cost, no pressure in-home consultation and custom quote today.