09 Sep Energy Smart Homes Are Now Even More Achievable
‘Catalyst Homes’ and ‘Energy Alternatives’ new partnership will supply certified energy-efficient solutions for NZ homes
Catalyst Homes and Energy Alternatives met in 2014 when assisting the Matakana Green housing development where it has been stipulated that all new houses are required to incorporate solar power in their homes. All homes in the new housing development are required to incorporate efficient technologies, and to achieve at least a Homestar 7-star rating. The Homestar rating looks at a range of features, including heating, insulation, lighting, water efficiency and the materials used.
- Energy Alternatives was selected as a preferred supplier for the Matakana Green project. Read about the development’s Homestar 7-star rating requirement in our case study.
- Catalyst Homes offers a range of HomestarTM rated energy-smart house designs which utilize proven home building approaches from around the world, tailored to New Zealand situations.
The outcome of this partnership is a professional and integrated service for every family, and for builders and architects.
Dana Darwin, Energy Alternatives CEO, recognized a solution was needed to deliver cost-effective pathway for home’s energy efficiency. Water heating is one of a home’s highest energy demands. Aquarians Heat pump water heater (HPWH) systems are seen as a key factor in achieving a Homestar 7-star level of performance. We put together a water heating technology which delivers > 65% efficiency than a standard HWC. Plus, water heating integrated with solar power generation acts as a highly cost-effective solar “battery” for homes. This results in homes using less energy to heat water, which means a reduction in cost for Solar PV, as less panels are required.
David Wildish, Catalyst Homes CEO, was inspired by his passion for engaging with clients in the property and eco-housing field to develop a new home building company that presents a range of modern architectural home designs which are innovative, sustainable and push beyond the traditional ‘eco-homes’ niche, while providing cost transparency and a customer-centric service. Catalyst Homes was founded to close a gap in the market by being a consumer-focussed brand that makes design and construction of sustainable and energy-efficient new homes attainable for people all over NZ. We see ourselves as the catalyst which combines all the elements involved in building your new home to deliver a result that surpasses your expectations.
HOW WE WORK TOGETHER:
We work in partnership with our clients to provide a robust result, timeliness, consistency and a high level of service. We treat our customers, suppliers, contractors and professional associates with professionalism, respect and integrity.
First results of this partnership in Waiheke Island have been outstanding. Referral businesses are achieved by customer satisfaction through the entire process.
Case Study: Matakana Green
Client requests/concerns / Key House Features:
- Gravity header tank for power cuts
- 2kw PV system
- Wetback-ready fireplace (located at Southern end of living area)
Clients’ Concerns:
- Water heating to be available during power cuts
- Considering solar water heating system
- Requested options / alternatives
Priority / key aspects overview
- Client has had poor experience in past with power cuts / no hot water
- Family of 4 with 1 person home all day / home office
- 3 BR + 2 bath – 2 double + 3 single beds = <7 persons
- Excellent solar site
- Noted 1000L header tank & SWH on plans
Quick overview of costs: (the Customer’s current thoughts)
- SWH system with integrated wetback – $11,000
- Wetback & plumbing – $ 1,000
- Gravity flow header tank & plumbing – $ 1,200
- 2kWp grid tied solar power – $7,500
Total $ 20,700
Benefits:
- Gravity-flow water during power cuts
- 50 to 70% efficient water heating
- Solar power during day
Customers INITIAL choice = $20,700
Two options were provided:
OPTION 1 | OPTION 2 |
– Independent Off-grid Power (pathway) • Water pump off main tanks (from solar & battery) – $300 • 1.74kW Solar PV for water pump, HPWH & Critical systems back up power – $11,365 |
– Self-charging Uninterrupted Power Supply (UPS) • Water pump off main tanks (from solar & battery) – $300 • 2 x 295W panels, 2.4kW inverter4 x 6V Lead Carbon battery system – $9,245
|
Energy Freedom pathway: • Hot water always available • >65% efficient water heating • Solar power during day with energy storage • Ability to expand system • Emergency backup power for light & communications |
Energy Freedom pathway: • Hot water always available • >65% efficient water heating • Solar power during day with energy storage • Ability to expand system
|
Total $15,465 | Total $ 13,345 |
Energy Alternatives and Catalyst Homes recommendation: Independent off-grid option = $15,465 independent power supply for critical circuits. Provides greater ROI. |
Energy Alternatives and Catalyst Homes recommendation:
|
OPTION 1 |
– Independent Off-grid Power (pathway) • Water pump off main tanks (from solar & battery) $300 • 1.74kW Solar PV for water pump, HPWH & Critical systems back up power $11,365 |
Energy Freedom pathway: • Hot water always available • >65% efficient water heating • Solar power during day with energy storage • Ability to expand system • Emergency backup power for light & communications |
Total $15,465 |
Energy Alternatives and Catalyst Homes recommendation: Independent Off-grid option = $15,465 independent power supply for critical circuits. Provides greater ROI. |
OPTION 2 |
– Self-charging Uninterrupted Power Supply (UPS) • Water pump off main tanks (from solar & battery) – $300 • 2 x 295W panels, 2.4kW inverter4 x 6V Lead Carbon battery system – $9,245
|
Energy Freedom pathway: • Water available during power cuts • Hot water always available • >65% efficient water heating • Solar power during day with energy storage • Ability to expand system
|
Total $ 13,345 |
Energy Alternatives and Catalyst Homes recommendation:
|
Both Option 1 and Option 2 provides cover in case of power interruption.
Customers FINAL choice = OPTION 1 = $15,465 gaining additional benefits and greater ROI.
The outcome:
The client received a custom solution at a reduced cost.
To assess your options for energy independence through Catalyst Homes and Energy Alternatives, speak to one of our consultants today.