Solar
Custom solar systems designed to help homes reduce power costs and make better use of Hawke’s Bay sunshine.
Hawke's Bay • Available Now • Estimated Wait Time 5 Mins
PLUMBING, pumping, electrical, solar under one roof.
From septic tank systems, borehole water security and water filtration to agricultural pump repairs, house rewiring, industrial electrical, and solar solutions, Isaac's has been solving Hawke's Bay's toughest jobs since 1993.
Pumping
Pump systems installed, repaired and serviced to maintain consistent water pressure and supply, including systems for tanks, sumps, water filtration and treatment.
Plumbing & Gas
Hot water systems, gas fitting, drainage and septic systems, bathroom fit-outs and full new-build plumbing.
Electrical
Residential, industrial and commercial electrical work. Switchboard upgrades, new builds, EV charging and fault finding or repairs.
Plumbing & Gas
Rural plumbing, drainage, septic tank systems, hot water and gas fitting for homes, sheds and farm buildings.
Pumping
Stock water, tank, bore and irrigation pumping systems, plus telemetry and water meter verification.
Electrical
Farm electrical work for pumps, sheds, workshops, switchboards, irrigation systems and homes.
Solar
Solar systems for farms, sheds and rural homes, designed to reduce power costs and support off-grid sites.
Electrical
Electrical switchboards, control panel design and builds, PLC programming, variable-speed drives, machine safety, process control, full design, build, installation and servicing.
Plumbing & Gas
Commercial plumbing, drainage, hot water and gas fitting for busy sites that need reliable systems and minimal downtime.
Pumping
Pumping systems for commercial water supply, drainage, washdown areas, irrigation and site operations.
Solar
Commercial solar systems designed to reduce power costs and support long-term energy use across large sites.
Every system on this property can be handled by one Isaac’s crew. Hover the icon to find out more.
Our Full Services
One Call. All Sorted.
Solar Design & Install
Full residential and commercial solar design, supply and installation. We handle consenting, grid-tie, and battery storage.
4MW INSTALLED TO DATEElectrical
Residential, industrial and commercial electrical work. Switchboard upgrades, new builds, EV charging, and fault-finding.
40+ Registered ElectriciansPlumbing, Gas & Drainage
Hot water systems, septic tanks, water treatment and filtration, drainage, bathroom fit-outs and full new-build plumbing.
Same Day Service AvailablePumping Systems
Water pumps, irrigation, bore pumps, water pressure systems, tanks, sumps, flow meter verification and our own ePumpNZ product for self-sufficient properties.
ePumpNZ Certified InstallersNeed All of the Above?
We co-ordinate every trade on your project from a single point of contact.
Talk to Us30+
Years in Business
Since 1993
85+
Employees
Hawke's Bay & Beyond
55+
Apprentices Trained
Since 2014
4
Trades Under One Roof
True full service
700K
Giving Back to the Community
(Since 2014)
Featured promotion
Hawke’s bay this
one’s got a bit
of meat on it!
$1000 of free meat!
Get a quote or book a job with Isaac’s by 30th September 2026 and you’ll go in the draw to win one thousand dollars’ worth of free meat from Gourmeats in Havelock North.
book a job Get a quoteOur Locations
Two offices. All of Hawke’s Bay. Plumbing, Pumping, Electrical & Solar.
Hastings
Plumbing, Pumping, Electrical, Solar
804 Karamu Road North, Hastings,
Hawke’s Bay 4122
Waipukurau
Plumbing, Pumping, Electrical, Solar
2/6 Peel Street, Waipukurau,
Central Hawke’s Bay 4200
What our customers are saying
Trusted across Hawke’s Bay
“At Halter, our tower infrastructure has to operate around the clock — 24/7 uptime isn’t a goal, it’s a requirement. Isaac’s has been an invaluable partner in keeping our systems running smoothly. Whether it’s routine maintenance or an urgent fault, their response times are excellent and their work is thorough. As a team managing infrastructure across remote locations, having a contractor we can trust at short notice to do the work properly makes a real difference. Isaac’s have earned that trust, and we wouldn’t hesitate to recommend them.”
David Hyslop
Senior Fleet Operations Specialist, Halter Limited
“Isaacs have lots of staff with different experiences meaning they are able to service all nature of issues we face in our homes and business. Huge commitment to rebuild post cyclone even when facing a rebuild of their own.”
Joe Moffett
Moffett Orchards
“Isaacs’s have been supporting our business for the last 9 years. TUMU Timbers are a high volume manufacturing based business that requires minimisation of downtime and a high level of electrical support to ensure smooth operations. Isaacs offer a range of design and project management experience and they are always proactive in working with us to implement best value solutions with an emphasis on quality and safety.”
James Truman
General Manager - TUMU Timbers Ltd
Got a project? Let’s get started.
One call all sorted with Isaac’s.