Unlike Winchester next door, Woburn hasn’t adopted the specialized energy code, so a heating switch here is simply a heating job. Clement Boston Heat Pumps handles heat pump installation in Woburn, MA, and most of what we plan is getting houses off oil.
Nearly three in ten Woburn homes still burn oil, well above the state’s share. They have the most to gain, and on Eversource they qualify for Mass Save’s largest rebate.
Why oil is Woburn’s main conversion
About 28.5% of Woburn homes heat with oil, half with gas and about 17% with electricity. Oil homes pay the most per delivered BTU and depend on deliveries every winter.
Oil boilers with baseboard
Many of Woburn’s colonials, capes and garrisons heat with an oil boiler and hot-water baseboard. With no ducts in the house, we plan an attic air handler for the bedrooms and a basement unit for the first floor, joined by a closet chase where needed. See oil to heat pump conversion.
Oil furnaces with ducts
Raised ranches and split-levels often have a warm-air oil furnace. Those ducts can usually carry the heat pump’s air once we measure static pressure and size the return, which shortens the job; see whole-home heat pumps.
The tank
A Woburn basement tank is pumped out, cut up and hauled away once the heat pump carries the house, and the fill and vent pipes are capped outside. Our range for an accessible tank is $600 to $1,500, with the fire department’s permit confirmed per address; see oil tank removal.
Propane on the edges of town
About 3% of Woburn homes burn propane, usually where gas mains never reached. Propane costs less than oil per delivered BTU but more than a heat pump on the winter rate, and Mass Save treats a propane switch like an oil one. The plan is the same: ducts, an outdoor spot, and the tank’s removal arranged with the propane supplier.
Woburn’s code, utility and permits
Three local facts set the paperwork: the stretch code, Eversource electric service and CitizenServe permitting.
Stretch code, not specialized
Woburn adopted the stretch code effective January 1, 2012 and stopped there. Winchester moved to the specialized code on July 1, 2025. For a heating replacement in an existing house, the difference is small; for a large addition, it decides how the new space is built.
Eversource and Mass Save
Eversource is a Mass Save electric sponsor, so an oil, propane or baseboard switch qualifies for the whole-home rebate: $2,650 per ton up to $8,500 for installs through December 31, 2026. National Grid supplies the gas, and gas switches go through its side of Mass Save. See the rebate guide.
Permits online
Woburn’s Inspectional Services takes applications through CitizenServe. The job needs an electrical permit plus the city’s mechanical permits, confirmed per address.
Sizing for a colder inland winter
Woburn sits inland, between Hanscom Field and the Middlesex Fells. Its coldest nights run below Boston’s, and that changes how the system is sized.
Why the coastal number isn’t enough
Logan’s design temperature is 7°F. Hanscom Field in Bedford, a few miles west, averages 5.3 nights a year at or below 0°F against 0.6 at Logan, and 19.4 nights at or below 10°F against 6.7. A system sized for the harbor runs short on those nights. Our sizing guide explains the load calculation.
Capacity at 5°F
Cold-climate heat pumps hold much of their output down to 5°F and keep running below 0°F. We list the exact unit’s capacity at 5°F on the estimate and set the strip heat to run only below the point where the heat pump can’t keep up. Our guide on whether heat pumps work in Massachusetts covers the physics.
Panels, ducts and the houses we see
Woburn’s homes are mostly post-war: under one in five predate 1940, and about 47% are detached houses, with a quarter in buildings of five or more units.
- 1950s and 1960s capes: often a 100-amp panel and a short attic. The heat pump circuit fits after a load calculation, or the service is upgraded first; see panel upgrades.
- 1970s and 1980s colonials and garrisons: full attics that take an air handler on a platform, with short insulated branches to the bedrooms. See attic air handlers.
- Condos and townhouses: the association decides where outdoor units go; a ducted air handler fits in a utility closet.
New ducts done right
Where a house has no ducts, we design them room by room: sealed galvanized trunks, short insulated branches, a return in every zone. Our ductwork page shows the details.
Running cost and the Eversource winter rate
Per million BTU delivered to the rooms, oil heat costs more than a heat pump on Eversource’s winter pricing, and the gap in a Woburn oil house is wider than in a gas one.
From November 1 to April 30, Eversource’s seasonal heat pump rate lowers both the distribution and transmission charges on every household kilowatt-hour. Mass Save rebate recipients are usually enrolled automatically; see our winter rate guide and the heat pump vs oil guide.
Permits, utility and rebates at a glance
Here is what changes a Woburn estimate on paper: who sells the power and gas, which code tier applies, how the city takes permits and how the housing heats today.
| What | The Woburn figure |
|---|---|
| Electric utility | Eversource |
| Gas utility | National Grid (Boston Gas) |
| Energy code | Stretch code since January 1, 2012; specialized not adopted |
| Heating fuel | Gas 50.6%, oil 28.5%, electricity 16.6% |
| Permits | Inspectional Services, CitizenServe portal |
Mass Save’s HEAT Loan offers 0% financing up to $25,000 through participating lenders, applied for before work begins.
Start to finish in Woburn
A Woburn conversion runs in four stages, and the oil keeps heating the house until the new system is proven.
- First visit: room-by-room load at your design temperature, duct check or routes for new ones, panel, outdoor spot clear of drifting snow.
- Written estimate: equipment and capacity at 5°F, ducts, electrical, tank removal, permits and the rebate path.
- Install: three to ten working days, depending on new ducts and a panel upgrade.
- Commissioning: pressure test, vacuum below 500 microns, charge by weight, airflow and the backup lockout recorded.
Burlington and Stoneham share Woburn’s Eversource service and high oil share.