Expert Heating & Cooling
for Every Home
Stay comfortable all year with Black Oak Heating & Cooling — your local experts in HVAC repair, installation, and maintenance.
We service heat pumps, mini-splits, AC systems, oil heating, maintenance, repairs, and cleanings—delivering quality work with no upsells and straightforward pricing.
Expert Heating & Cooling for Every Home
Stay comfortable all year with Black Oak Heating & Cooling — your local experts in HVAC repair, installation, and maintenance.
We service heat pumps, mini-splits, AC systems, oil heating, maintenance, repairs, and cleanings—delivering quality work with no upsells and straightforward pricing.
Expert Heating & Cooling
for Every Home
Stay comfortable all year with Black Oak Heating & Cooling — your local experts in HVAC repair, installation, and maintenance.
We service heat pumps, mini-splits, AC systems, oil heating, maintenance, repairs, and cleanings—delivering quality work with no upsells and straightforward pricing.
Fully licensed and certified for EPA and NORA-approved HVAC work throughout New Hampshire.
Certified. Skilled. Local.
Fully licensed and certified for EPA and Oil HVAC work throughout New Hampshire.
Heat Service
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Comprehensive heating system diagnostics
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Reliable no-heat troubleshooting
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Burner and ignition evaluations
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Fuel system performance checks
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Safety and venting inspections
Maintenance
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Seasonal AC system tune-ups
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Complete heating system tune-ups
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Preventative maintenance inspections
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Coil, filter, and drain cleaning
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Efficiency and performance testing
Installations
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Multi-zone system installations
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Oil based system replacements
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High-efficiency heat pump systems
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Clean, professional line-set routing
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Custom sizing and equipment placement
AC Service
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Cooling system diagnostics
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Reliable no-cool repair service
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Airflow and performance evaluations
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Thermostat testing and install
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Safety and electrical inspections
Why Choose
Black Oak?
Honest, Upfront Pricing
No surprises, no hidden fees.
Certified & Experienced Technicians
EPA - certified techs.
Free Quotes on Installs
We design and service systems built to last through every season.
Locally Owned & Operated
When you call Black Oak, you’re not dealing with a franchise — you’re supporting a local business that treats every customer like a neighbor.
Hillsborough, Merrimack, Rockingham & Strafford Counties
Allenstown, NH, Amherst, NH, Andover, NH, Antrim, NH, Atkinson, NH, Auburn, NH, Bedford, NH, Bennington, NH, Boscawen, NH, Bow, NH, Bradford, NH, Brentwood, NH, Brookline, NH, Candia, NH, Canterbury, NH, Chester, NH, Chichester, NH, Concord, NH, Danbury, NH, Danville, NH, Deerfield, NH, Deering, NH, Derry, NH, Dunbarton, NH, East Kingston, NH, Epping, NH, Epsom, NH, Exeter, NH, Francestown, NH, Franklin, NH, Fremont, NH, Goffstown, NH, Greenfield, NH, Greenland, NH, Greenville, NH, Hampstead, NH, Hampton, NH, Hampton Falls, NH, Hancock, NH, Henniker, NH, Hill, NH, Hillsborough, NH, Hollis, NH, Hooksett, NH, Hopkinton, NH, Hudson, NH, Kensington, NH, Kingston, NH, Litchfield, NH, Londonderry, NH, Loudon, NH, Lyndeborough, NH, Manchester, NH, Mason, NH, Milford, NH, Mont Vernon, NH, Nashua, NH, New Boston, NH, New Castle, NH, Newfields, NH, Newington, NH, New Ipswich, NH, New London, NH, Newmarket, NH, Newbury, NH, Newton, NH, North Hampton, NH, Northfield, NH, Northwood, NH, Nottingham, NH, Pembroke, NH, Pelham, NH, Peterborough, NH, Pittsfield, NH, Plaistow, NH, Portsmouth, NH, Raymond, NH, Rye, NH, Salem, NH, Salisbury, NH, Sandown, NH, Seabrook, NH, Sharon, NH, South Hampton, NH, Sutton, NH, Temple, NH, Warner, NH, Weare, NH, Webster, NH, Wilton, NH, Wilmot, NH, Windham, NH
Proud to Serve
Our local communities in
Southern New Hampshire
We’re proud to serve homeowners and small businesses across Southern New Hampshire with honest, dependable HVAC service you can trust. Our team delivers professional heating and cooling solutions backed by integrity, craftsmanship, and hometown values.
Amherst, NH, Auburn, NH, Bedford, NH, Boscawen, NH, Bow, NH, Bradford, NH, Brentwood, NH, Candia, NH, Canterbury, NH, Chester, NH, Chichester, NH, Concord, NH, Deerfield, NH, Derry, NH, Dover, NH, Dunbarton, NH, Epping, NH, Epsom, NH, Francestown, NH, Franklin, NH, Goffstown, NH, Greenfield, NH, Henniker, NH, Hill, NH, Hollis, NH, Hooksett, NH, Hudson, NH, Keene, NH, Londonderry, NH, Loudon, NH, Lyndeborough, NH, Manchester, NH, Mason, NH, Merrimack, NH, Mont Vernon, NH, Nashua, NH, New Boston, NH, Northfield, NH, Nottingham, NH, Pelham, NH, Pembroke, NH, Peterborough, NH, Portsmouth, NH, Raymond, NH, Rochester, NH, Salem, NH, Sharon, NH, Wilton, NH, Windham, NH, and Windsor, NH.
Hillsborough, Merrimack, & Rockingham Counties
Allenstown, NH, Amherst, NH, Andover, NH, Antrim, NH, Atkinson, NH, Auburn, NH, Bedford, NH, Bennington, NH, Boscawen, NH, Bow, NH, Bradford, NH, Brentwood, NH, Brookline, NH, Candia, NH, Canterbury, NH, Chester, NH, Chichester, NH, Concord, NH, Danbury, NH, Danville, NH, Deerfield, NH, Deering, NH, Derry, NH, Dunbarton, NH, East Kingston, NH, Epping, NH, Epsom, NH, Exeter, NH, Francestown, NH, Franklin, NH, Fremont, NH, Goffstown, NH, Greenfield, NH, Greenland, NH, Greenville, NH, Hampstead, NH, Hampton, NH, Hampton Falls, NH, Hancock, NH, Henniker, NH, Hill, NH, Hillsborough, NH, Hollis, NH, Hooksett, NH, Hopkinton, NH, Hudson, NH, Kensington, NH, Kingston, NH, Litchfield, NH, Londonderry, NH, Loudon, NH, Lyndeborough, NH, Manchester, NH, Mason, NH, Milford, NH, Mont Vernon, NH, Nashua, NH, New Boston, NH, New Castle, NH, Newfields, NH, Newington, NH, New Ipswich, NH, New London, NH, Newmarket, NH, Newbury, NH, Newton, NH, North Hampton, NH, Northfield, NH, Northwood, NH, Nottingham, NH, Pembroke, NH, Pelham, NH, Peterborough, NH, Pittsfield, NH, Plaistow, NH, Portsmouth, NH, Raymond, NH, Rye, NH, Salem, NH, Salisbury, NH, Sandown, NH, Seabrook, NH, Sharon, NH, South Hampton, NH, Sutton, NH, Temple, NH, Warner, NH, Weare, NH, Webster, NH, Wilton, NH, Wilmot, NH, Windham, NH
Areas We Serve: (not limited to)
Hillsborough, Merrimack, Rockingham, & Strafford Counties
Allenstown, NH, Amherst, NH, Andover, NH, Antrim, NH, Atkinson, NH, Auburn, NH, Bedford, NH, Bennington, NH, Boscawen, NH, Bow, NH, Bradford, NH, Brentwood, NH, Brookline, NH, Candia, NH, Canterbury, NH, Chester, NH, Chichester, NH, Concord, NH, Danbury, NH, Danville, NH, Deerfield, NH, Deering, NH, Derry, NH, Dunbarton, NH, East Kingston, NH, Epping, NH, Epsom, NH, Exeter, NH, Francestown, NH, Franklin, NH, Fremont, NH, Goffstown, NH, Greenfield, NH, Greenland, NH, Greenville, NH, Hampstead, NH, Hampton, NH, Hampton Falls, NH, Hancock, NH, Henniker, NH, Hill, NH, Hillsborough, NH, Hollis, NH, Hooksett, NH, Hopkinton, NH, Hudson, NH, Kensington, NH, Kingston, NH, Litchfield, NH, Londonderry, NH, Loudon, NH, Lyndeborough, NH, Manchester, NH, Mason, NH, Milford, NH, Mont Vernon, NH, Nashua, NH, New Boston, NH, New Castle, NH, Newfields, NH, Newington, NH, New Ipswich, NH, New London, NH, Newmarket, NH, Newbury, NH, Newton, NH, North Hampton, NH, Northfield, NH, Northwood, NH, Nottingham, NH, Pembroke, NH, Pelham, NH, Peterborough, NH, Pittsfield, NH, Plaistow, NH, Portsmouth, NH, Raymond, NH, Rye, NH, Salem, NH, Salisbury, NH, Sandown, NH, Seabrook, NH, Sharon, NH, South Hampton, NH, Sutton, NH, Temple, NH, Warner, NH, Weare, NH, Webster, NH, Wilton, NH, Wilmot, NH, Windham, NH
How Can We Help?