Solar water heaters and coin laundries

Any business that uses a fairly large amount of hot water can benefit from our solar water heaters. For example, Coin laundries use a substantial amount of hot water, a perfect situation for our solar evacuated tubes. Utilities are the single greatest expense for the operation of self-service laundries, any reduction of these cost in this competitive market can make the difference. The business will reduce their non renewable energy and switch to more renewable energy, reducing their pollution and becoming green! Thus differentiating themselves from the homogeneous coin laundry market, potentially attracting more clients. In addition, our eveacuated tube systems can save money on monthly gas/electric bills.

Coin Laundries use large amounts of energy. This energy demand can be reduced with Eco y Eco’s solar water heaters. Our solar water heater systems normally pay for it’s self in around 10 years. If you expect to be in business for at least 10 years, our solar systems will be worth the investment! If you do resale the business to another coin laundry owner our solar water heaters will increase the resale price of the business (likewise for reselling homes). If the business moves no problem, our solar water heaters can also be moved to another location. If your roof gets uninterrupted sun from 9am-3pm our solar water heaters should be considered. Please call us for a free consultation to see if solar water heating is right for you.

We looked into the Utility bill of a coin laundry and from this information we have drafted a general estimate that should readily apply to other coin laundries and businesses.
From a one month sample bill the total cost for gas is $269. This coin laundry has 22 dryers and 23 washers. If we supply an average of 50% of there hot water needs per year, there can
be a savings of $67 per month or $804 yearly. We only set up the solar water heaters to supply half of their needs. It’s not efficient to supply 100% of the hot water because it would require several more systems to produce 100% in the winter and in the summer, more hot water will be produced than used.

This coin laundry used 421 therms of energy over a 29 day period or 14.9 therms a day of which about 7.5 therms are used to heating water. The conversion of therms
to Btu’s is 1 therm=100,000 Btu. So, 750,000 Btu’s a day are used to heat the hot water. Our 30 tube systems supply 40,000 Btu on a clear day. 30,000 Btu on a partly cloudy day.
17,000 Btu on a cloudy day.

On average in San Diego there are 147 clear days (40%), 116 (32%) partly cloudy days, and 102 (28%) cloudy days. Using this, the daily average for a 30 tube system is 30,300 Btu’s.
Our goal would be to supply close to 375,000 Btu’s a day. This would take 12 30 tubes systems. This should produce an average of 50% of the heated water and could supply a maximum of 75% of the heated water on clear days.

Cost/Rebates

• 30 tube: $1,500×7= 10,500.
• Total approximate local rebate= $600 per 30 tube collector x 7= $4200
• Savings per month: $67
• Savings per year: $804

The break even point will depend on the other total cost, installation, parts, taxes, etc. There is also a 30% tax credit of the total net cost after local rebates.
Example 1:

• 30 tube: 10,500 + 3,000 other cost=13,500
• Sum/no taxes: 13,500
• Contract cost: 14,600
• Local rebate: 4,200
• Federal tax credit:3,100
• Total rebate:7,300
• Total net cost:7,300
• Break even= 7,300/800= 9 years

Example 2:

• 30 tube: 10,500 + 2,000= 12,500
• Sum/no taxes: 12,500
• Contract cost: 13,500
• Local rebate: 4,200
• Federal tax credit:2,790
• Total rebate:6,990
• Total net cost:6,510
• Break even= 6,510/800= 8 years

Businesses apply for the CCSE rebate, but residential units do not. Both apply for the federal tax credit. Our systems are installed in one day and normally only take a few hours. After the
installation is complete We provide routine inspections and ask for a copy of the monthly utility bill to insure everything is working properly.

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