Furnace Replacement cost: Derry Village vs Nashua (2026)
Derry Village and Nashua are a near-perfect match on furnace replacement cost in 2026, both landing around $6,350.
Derry Village NH
Typically around $6,350
Nashua NH
Typically around $6,350
Derry Village vs Nashua: full breakdown
| Factor | Derry Village | Nashua |
|---|---|---|
| Typical 2026 cost | $6,350 | $6,350 |
| Estimated range | $4,550–$8,150 | $4,550–$8,150 |
| Labor index (vs US) | ×1.05 | ×1.05 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.08 | ×1.08 |
| Local permit | $250 | $250 |
| Labor share | $3,800 | $3,800 |
| Materials/equipment | $2,550 | $2,550 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national furnace replacement range for local labor, climate and permits.
No real cost edge either way
This is a statistical tie on furnace replacement cost, so let contractor reputation and project timing decide, not geography.
Furnace replacement by type: Derry Village vs Nashua
Each furnace replacement option, priced separately for both metros — the same local labor, climate and permit adjustments applied per city, so you can compare like for like.
| Type | Derry Village | Nashua |
|---|---|---|
| Gas furnace | $4,450–$8,050 | $4,450–$8,050 |
| High-efficiency gas furnace | $4,000–$8,050 | $4,000–$8,050 |
| Electric furnace | $2,500–$5,350 | $2,500–$5,350 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national furnace replacement range for local labor, climate and permits.
Furnace replacement by home size: Derry Village vs Nashua
Furnace cost scales with the heating capacity (BTU) your home needs — roughly 40–45 BTU per square foot in a mixed climate. Larger homes need a bigger unit and more ductwork.
| Size | Derry Village | Nashua |
|---|---|---|
| 1,000 sq ft (≈45,000 BTU) | $3,400–$6,150 | $3,400–$6,150 |
| 1,500 sq ft (≈68,000 BTU) | $4,000–$7,050 | $4,000–$7,050 |
| 2,000 sq ft (≈90,000 BTU) | $4,550–$8,150 | $4,550–$8,150 |
| 2,500 sq ft (≈110,000 BTU) | $5,250–$9,300 | $5,250–$9,300 |
| 3,000 sq ft (≈130,000 BTU) | $5,900–$10,450 | $5,900–$10,450 |
| 3,500+ sq ft (≈150,000 BTU) | $6,600–$11,550 | $6,600–$11,550 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national furnace replacement range for local labor, climate and permits.
Cheapest time for furnace replacement in either city
Crews are busiest — and priciest — exactly when it's hottest or coldest, since that's when systems fail under load. Book in the mild months and you're negotiating from a position of choice, not a broken furnace.
How much should you really budget for HVAC in 2026?
Sizing, efficiency tier and brand pull a quote in different directions. Here's how our editors weigh the trade-offs that decide what you actually pay.
The longevity case
The single biggest cost driver isn't the brand — it's correct sizing and install quality. A properly sized, well-commissioned mid-tier system with annual maintenance outlasts an oversized premium unit that short-cycles. Spend on the install, not the badge.
The efficiency-first case
In a hot-summer or cold-winter region, a higher SEER2/AFUE unit — or a heat pump — earns its premium back in lower bills, and utility and state rebates can still cut into the sticker (the federal 25C/25D credits ended Dec 2025). Run the payback math before defaulting to the cheapest box.
The budget-first case
Size the system to your home with a Manual J calculation and buy the standard efficiency tier (80% AFUE / 14.3 SEER2). In a mild climate the cheaper unit pays off because you rarely run it hard — paying for premium efficiency you won't use is the most common way to overspend.
Skip the brand debate. A correctly sized system, an efficiency tier that fits your climate, and a properly commissioned install will save you more than any label ever could.
Derry Village vs Nashua
Is furnace replacement cheaper in Derry Village or Nashua?
furnace replacement costs about the same in both — roughly $6,350 in each city.
Why does furnace replacement cost more in Nashua than Derry Village?
It comes down to labor: Nashua indexes at 1.05 against Derry Village's 1.05. The cold-vs-cold climate difference adds to the gap.
How much is furnace replacement in Derry Village, NH?
Expect to pay $4,550 to $8,150 for furnace replacement in Derry Village in 2026, averaging around $6,350.
When is the cheapest time to buy furnace replacement — and does it differ by city?
It doesn't vary by location — Spring and fall (Mar–May, Sep–Oct) is the discount window in both Derry Village and Nashua (roughly 5–15% off), while peak summer and mid-winter tends to be the most expensive in either city.
Should I choose where to live based on furnace replacement cost?
No — the cost is essentially identical between Derry Village and Nashua. Base the decision on the things that actually vary: contractor reputation, scope, equipment tier and timing.
Compare furnace replacement in other cities
Updated June 2026 · By Serhat Özçelik