Furnace Replacement cost: Concord vs Dover (2026)
Furnace replacement costs about the same in Concord and Dover in 2026 — roughly $6,350 in each.
Concord NH
Typically around $6,350
Dover NH
Typically around $6,350
Concord vs Dover: full breakdown
| Factor | Concord | Dover |
|---|---|---|
| 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 |
Treat these as 2026 localized estimates for furnace replacement, not quotes from a contractor.
No real cost edge either way
The two metros are effectively a wash for furnace replacement — pick on contractor quality and timing, not location.
Furnace replacement by type: Concord vs Dover
Every furnace replacement type gets its own localized price for each metro, using the same labor, climate and permit adjustments — a true apples-to-apples comparison.
| Type | Concord | Dover |
|---|---|---|
| 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 |
Treat these as 2026 localized estimates for furnace replacement, not quotes from a contractor.
Furnace replacement by home size: Concord vs Dover
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 | Concord | Dover |
|---|---|---|
| 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 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 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 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.
Concord vs Dover
Is furnace replacement cheaper in Concord or Dover?
furnace replacement costs about the same in both — roughly $6,350 in each city.
Why does furnace replacement cost more in Dover than Concord?
It comes down to labor: Dover indexes at 1.05 against Concord's 1.05. The cold-vs-cold climate difference adds to the gap.
How much is furnace replacement in Concord, NH?
Concord homeowners can expect $4,550 to $8,150 for furnace replacement in 2026, with $6,350 the typical number.
When is the cheapest time to buy furnace replacement — and does it differ by city?
Timing doesn't change by city here — Spring and fall (Mar–May, Sep–Oct) is the cheapest window in both Concord and Dover, saving roughly 5–15%. Avoid peak summer and mid-winter in either location, when emergency replacements push prices up.
Should I choose where to live based on furnace replacement cost?
No — the cost is essentially identical between Concord and Dover. 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